If you’re looking to start a career in HTML & CSS coding, but don’t know where to begin, this might be for you. This course is aimed at absolute beginners that have never done any coding before. Early on in the course, you’ll learn what coding is, what certain types of languages are used for, specifically HTML & CSS, and the types of careers available through learning HTML & CSS.
Set your career in motion in the exciting world of Security Management. Take the first decisive step towards achieving your ambitions with our thoughtfully crafted bundle, titled 'Security Guard, Security Management and Close Protection.' This learning package has been carefully designed to not only provide comprehensive knowledge and understanding but also to inspire and stimulate interest in this intriguing field. Immerse yourself in our exclusive offering of three distinguished QLS-endorsed courses - Security Guard, Security Management Diploma, and Close Protection. Each course opens the door to an in-depth understanding of the various facets of security management. Moreover, your efforts will be rewarded with a tangible reminder of your dedication - hardcopy certificates that serve as a testament to your commitment and competence. But we've not stopped there. In order to supplement and expand your learning, we're also providing five relevant CPD QS-accredited courses. These include Bodyguard Training, Lifeguard Training, Criminology & Profiling, Criminal Law & Police, and Workplace Health and Safety. With this comprehensive bundle, you can arm yourself with the theoretical knowledge necessary to excel in a career in security. Key Features of the Security Guard, Security Management and Close Protection Bundle: 3 QLS-Endorsed Courses: We proudly offer 3 QLS-endorsed courses within our Security Guard, Security Management and Close Protection bundle, providing you with industry-recognized qualifications. Plus, you'll receive a free hardcopy certificate for each of these courses. QLS Course 01: Security Guard QLS Course 02: Security Management Diploma QLS Course 03: Close Protection 5 CPD QS Accredited Courses: Additionally, our bundle includes 5 relevant CPD QS accredited courses, ensuring that you stay up-to-date with the latest industry standards and practices. Course 01: Bodyguard Training Course 02: Lifeguard Training Course 03: Criminology & Profiling Course 04: Criminal Law & Police Course 05: Workplace Health and Safety In Addition, you'll get Five Career Boosting Courses absolutely FREE with this Bundle. Course 01: Professional CV Writing Course 02: Job Search Skills Course 03: Self-Esteem & Confidence Building Course 04: Professional Diploma in Stress Management Course 05: Complete Communication Skills Master Class Convenient Online Learning: Our Security Guard, Security Management and Close Protection courses are accessible online, allowing you to learn at your own pace and from the comfort of your own home. Learning Outcomes: Upon successful completion of this bundle, you will be able to: Understand the roles and responsibilities of a Security Guard and apply learned theoretical concepts. Gain a comprehensive understanding of Security Management and Close Protection. Acquire an in-depth understanding of Bodyguard and Lifeguard Training. Gain knowledge on Criminology & Profiling for effective threat assessment and prevention. Understand the laws, rights, and responsibilities concerning Criminal Law & Police. Learn about Workplace Health and Safety and its importance in security management. Earn QLS-endorsed certificates for three courses and CPD QS accreditations for five courses. Enter a new phase of professional growth with our 'Security Guard, Security Management and Close Protection' bundle. This impressive selection of three QLS-endorsed and five CPD-QS accredited courses provides a robust foundation in the theoretical aspects of security management. Explore the intricacies of roles like a Security Guard, and delve into concepts of Close Protection. Furthermore, learn about the legal aspects through our Criminal Law & Police course, enhancing your understanding of law enforcement. The additional CPD-QS accredited courses like Lifeguard Training, Criminology & Profiling, and Workplace Health and Safety broaden your knowledge horizon. These courses, combined with Bodyguard Training, help you better comprehend diverse aspects of security and safety management. Embark on this enlightening journey and uncover a myriad of perspectives to enrich your professional development. CPD 250 CPD hours / points Accredited by CPD Quality Standards Who is this course for? Aspiring individuals wanting to build a career in security management. Security professionals seeking to broaden their theoretical knowledge. Individuals are interested in learning about close protection and bodyguard training. Anyone seeking to understand the legal aspects of criminal law and police work. Career path Security Guard: £20,000-£25,000 per annum. Security Manager: £35,000-£45,000 per annum. Close Protection Officer: £30,000-£50,000 per annum. Lifeguard: £16,000-£21,000 per annum. Criminologist: £30,000-£45,000 per annum. Health and Safety Officer: £25,000-£35,000 per annum. Certificates Digital certificate Digital certificate - Included Hard copy certificate Hard copy certificate - Included
***24 Hour Limited Time Flash Sale*** Concierge, Waiter Training with Public Speaking Training Admission Gifts FREE PDF & Hard Copy Certificate| PDF Transcripts| FREE Student ID| Assessment| Lifetime Access| Enrolment Letter Begin your journey towards a rewarding and successful career by enrolling in our all-inclusive bundle of 8 Concierge, Waiter Training with Public Speaking Training courses. At UKHF Online, we have carefully selected and combined these courses to equip you with the vital skills and knowledge necessary to thrive in Concierge, Waiter Training with Public Speaking Training. Whether you're a student, recent graduate, or job seeker, our Concierge, Waiter Training with Public Speaking Training bundle is designed to enhance your CV, impress potential employers, and set you apart from the competition. Key Features of the Concierge, Waiter Training with Public Speaking Training Bundle: 3 QLS-Endorsed Courses: We proudly offer 3 QLS-endorsed courses within our Concierge, Waiter Training with Public Speaking Training bundle, providing you with industry-recognized qualifications. Plus, you'll receive a free hardcopy certificate for each of these courses. QLS Course 01: Hospitality - Concierge QLS Course 02: Public Speaking Training QLS Course 03: Waiter Training: How To Become A Better Waiter 5 CPD QS Accredited Courses: Additionally, our bundle includes 5 relevant CPD QS accredited courses, ensuring that you stay up-to-date with the latest industry standards and practices. Course 01: Public Speaking Course 02: Translation: Translator Course 03: 200 Common English Idioms and Phrases Course 04: Teaching English as Foreign Language (TEFL) Certificate Course 05: English Grammar In Addition, you'll get Five Career Boosting Courses absolutely FREE with this Bundle. Course 01: Professional CV Writing Course 02: Job Search Skills Course 03: Self-Esteem & Confidence Building Course 04: Professional Diploma in Stress Management Course 05: Complete Communication Skills Master Class Convenient Online Learning: Our Concierge, Waiter Training with Public Speaking Training courses are accessible online, allowing you to learn at your own pace and from the comfort of your own home. Learning Outcomes of the Concierge, Waiter Training with Public Speaking Training Bundle: Master the foundational principles and techniques of Concierge, Waiter Training with Public Speaking Training. Develop advanced proficiency in Concierge, Waiter Training with Public Speaking Training methodologies and strategies. Acquire in-depth knowledge of the latest trends and advancements in Concierge, Waiter Training with Public Speaking Training. Enhance your problem-solving and critical thinking abilities within the context of Concierge, Waiter Training with Public Speaking Training. Cultivate strong communication and collaboration skills essential for success in Concierge, Waiter Training with Public Speaking Training. The Concierge, Waiter Training with Public Speaking Training bundle is a comprehensive collection of courses that have been meticulously designed to provide you with a well-rounded education in Concierge, Waiter Training with Public Speaking Training. With a combination of 3 QLS-endorsed courses and 5 CPD QS-accredited courses, this bundle offers you the perfect balance of essential knowledge and valuable skills. What's more, we are proud to offer free hardcopy certificates for each course within the Concierge, Waiter Training with Public Speaking Training bundle, giving you the recognition you deserve. CPD 270 CPD hours / points Accredited by CPD Quality Standards Who is this course for? This bundle is perfect for anyone looking to start a career in the hospitality, leisure management, travel and tourism industries, or for professionals looking to upskill and enhance their abilities in these areas. This course is ideal for: Individuals seeking to start a career in hospitality, leisure management, travel and tourism, TV presenting, voiceover work or freelance translation. Hospitality and tourism professionals seeking to upskill and enhance their career prospects. Language enthusiasts looking to become professional translators. Individuals looking to gain an additional source of income through freelance translation. Anyone looking to improve their English language skills and obtain a TEFL certificate. Career path Hotel Manager (£20k-£60k per annum) Events Manager (£18k-£50k per annum) Tour Guide (£18k-£45k per annum) Public Speaker (£20k-£100k per annum) Voiceover Artist (£18k-£80k per annum) Freelance Translator (£18k-£50k per annum) TEFL Teacher (£20k-£35k per annum) Certificates Digital certificate Digital certificate - Included Hard copy certificate Hard copy certificate - Included
Register on the Safety Administrator today and build the experience, skills and knowledge you need to enhance your professional development and work towards your dream job. Study this course through online learning and take the first steps towards a long-term career. The course consists of a number of easy to digest, in-depth modules, designed to provide you with a detailed, expert level of knowledge. Learn through a mixture of instructional video lessons and online study materials. Receive online tutor support as you study the course, to ensure you are supported every step of the way. Get a digital certificate as a proof of your course completion. The Safety Administrator is incredibly great value and allows you to study at your own pace. Access the course modules from any internet-enabled device, including computers, tablet, and smartphones. The course is designed to increase your employability and equip you with everything you need to be a success. Enrol on the now and start learning instantly! What You Get With The Safety Administrator Receive a e-certificate upon successful completion of the course Get taught by experienced, professional instructors Study at a time and pace that suits your learning style Get instant feedback on assessments 24/7 help and advice via email or live chat Get full tutor support on weekdays (Monday to Friday) Course Design The course is delivered through our online learning platform, accessible through any internet-connected device. There are no formal deadlines or teaching schedules, meaning you are free to study the course at your own pace. You are taught through a combination of Video lessons Online study materials Certification Upon successful completion of the course, you will be able to obtain your course completion e-certificate free of cost. Print copy by post is also available at an additional cost of £9.99 and PDF Certificate at £4.99. Who Is This Course For: The course is ideal for those who already work in this sector or are an aspiring professional. This course is designed to enhance your expertise and boost your CV. Learn key skills and gain a professional qualification to prove your newly-acquired knowledge. Requirements: The online training is open to all students and has no formal entry requirements. To study the Safety Administrator, all your need is a passion for learning, a good understanding of English, numeracy, and IT skills. You must also be over the age of 16. Course Content Module 1: Safety Precautions Safety Precautions 00:46:00 Module 2: Working Safely with Electrical Equipment Working Safely with Electrical Equipment 00:18:00 Module 3: Electrical Incidents Electrical Incidents 00:11:00 Module 4: Risk Assessment Risk Assessment 00:26:00 Module 5: Reducing and Controlling Risks Reducing and Controlling Risks 00:24:00 Module 6: Combined Inspection and Testing Combined Inspection and Testing 00:39:00 Module 7: Health and Safety at Work and the Laws Health and Safety at Work and the Law 00:21:00 Module 8: Chemical and Biological Health Hazards and Control Chemical and Biological Health Hazards and Control 00:29:00 Module 9: Manual and Mechanical Handling Manual and Mechanical Handling 00:28:00 Module 10: Fire Hazards and Control Fire Hazards and Control 00:23:00 Mock Exam Mock Exam- Safety Administrator 00:20:00 Final Exam Final Exam- Safety Administrator 00:20:00 Frequently Asked Questions Are there any prerequisites for taking the course? There are no specific prerequisites for this course, nor are there any formal entry requirements. All you need is an internet connection, a good understanding of English and a passion for learning for this course. Can I access the course at any time, or is there a set schedule? You have the flexibility to access the course at any time that suits your schedule. Our courses are self-paced, allowing you to study at your own pace and convenience. How long will I have access to the course? For this course, you will have access to the course materials for 1 year only. This means you can review the content as often as you like within the year, even after you've completed the course. However, if you buy Lifetime Access for the course, you will be able to access the course for a lifetime. Is there a certificate of completion provided after completing the course? Yes, upon successfully completing the course, you will receive a certificate of completion. This certificate can be a valuable addition to your professional portfolio and can be shared on your various social networks. Can I switch courses or get a refund if I'm not satisfied with the course? We want you to have a positive learning experience. If you're not satisfied with the course, you can request a course transfer or refund within 14 days of the initial purchase. How do I track my progress in the course? Our platform provides tracking tools and progress indicators for each course. You can monitor your progress, completed lessons, and assessments through your learner dashboard for the course. What if I have technical issues or difficulties with the course? If you encounter technical issues or content-related difficulties with the course, our support team is available to assist you. You can reach out to them for prompt resolution.
This course first equips you with the fundamentals of Python and then progresses to teach you how to use various libraries such as NumPy, Pandas, Seaborn, Bokeh, and so on. This course contains several mini projects so that, by the end of this course, you will be equipped with the essential tools you need to become a visualization expert.
***24 Hour Limited Time Flash Sale*** Team Management, Leadership & Line Management (QLS) Admission Gifts FREE PDF & Hard Copy Certificate| PDF Transcripts| FREE Student ID| Assessment| Lifetime Access| Enrolment Letter Begin your journey towards a rewarding and successful career by enrolling in our all-inclusive bundle of 8 Team Management, Leadership & Line Management (QLS) courses. At UKHF Online, we have carefully selected and combined these courses to equip you with the vital skills and knowledge necessary to thrive in Team Management, Leadership & Line Management (QLS). Whether you're a student, recent graduate, or job seeker, our Team Management, Leadership & Line Management (QLS) bundle is designed to enhance your CV, impress potential employers, and set you apart from the competition. Key Features of the Team Management, Leadership & Line Management (QLS) Bundle: 3 QLS-Endorsed Courses: We proudly offer 3 QLS-endorsed courses within our Team Management, Leadership & Line Management (QLS) bundle, providing you with industry-recognized qualifications. Plus, you'll receive a free hardcopy certificate for each of these courses. QLS Course 01: Team Management QLS Course 02: Leadership and Management Training Course QLS Course 03: Line Management 5 CPD QS Accredited Courses: Additionally, our bundle includes 5 relevant CPD QS accredited courses, ensuring that you stay up-to-date with the latest industry standards and practices. Course 01: Maximise Your Personal Productivity: Negotiation Skills Course Course 02: The Principles of Ethical Leadership Course 03: Talent Management Level 3 Course 04: Workplace Productivity Training Course 05: UK Employment Law In Addition, you'll get Five Career Boosting Courses absolutely FREE with this Bundle. Course 01: Professional CV Writing Course 02: Job Search Skills Course 03: Self-Esteem & Confidence Building Course 04: Professional Diploma in Stress Management Course 05: Complete Communication Skills Master Class Convenient Online Learning: Our Team Management, Leadership & Line Management (QLS) courses are accessible online, allowing you to learn at your own pace and from the comfort of your own home. Learning Outcomes of the Team Management, Leadership & Line Management (QLS) Bundle: Master the foundational principles and techniques of Team Management, Leadership & Line Management (QLS). Develop advanced proficiency in Team Management, Leadership & Line Management (QLS) methodologies and strategies. Acquire in-depth knowledge of the latest trends and advancements in Team Management, Leadership & Line Management (QLS). Enhance your problem-solving and critical thinking abilities within the context of Team Management, Leadership & Line Management (QLS). Cultivate strong communication and collaboration skills essential for success in Team Management, Leadership & Line Management (QLS). The Team Management, Leadership & Line Management (QLS) bundle is a comprehensive collection of courses that have been meticulously designed to provide you with a well-rounded education in Team Management, Leadership & Line Management (QLS). With a combination of 3 QLS-endorsed courses and 5 CPD QS-accredited courses, this bundle offers you the perfect balance of essential knowledge and valuable skills. What's more, we are proud to offer free hardcopy certificates for each course within the Team Management, Leadership & Line Management (QLS) bundle, giving you the recognition you deserve. CPD 250 CPD hours / points Accredited by CPD Quality Standards Who is this course for? This bundle is ideal for: Professionals seeking to enhance their leadership and management skills. Individuals interested in pursuing a career in team management, leadership and line management. Managers who want to develop their skills and advance their careers. Anyone looking to improve their productivity and performance in the workplace. Career path Our training bundle prepares you for a range of careers, including: Team Leader - £28,000 to £45,000 Operations Manager - £30,000 to £55,000 Project Manager - £30,000 to £65,000 Human Resources Manager - £35,000 to £60,000 General Manager - £40,000 to £100,000 Chief Executive Officer - £70,000 to £200,000+ Certificates Digital certificate Digital certificate - Included Hard copy certificate Hard copy certificate - Included
The Perfect your Mathematics Fundamentals course is intended to introduce you to the basics of the number system and provide in-depth knowledge of all the methods that are performed on them. This course primarily incorporates Integers, Fractions, Decimals, Factors & Multiples (HCF, LCM), BOD-MAS rules of brackets, Rational numbers, figures and required decimal places. You will also learn how to write big or small numbers in scientific notation or standard style and work with numbers when they are in standard form, and Estimation, Percentage and Ratio-Proportion, Unitary method, Direct and Inverse proportion, Multiple ratios, Profit, Loss, Discount and Tax also included in this course. Moreover, the basic facts, concepts, terms, principles and applications of different Math concepts are combined with every topic. To sum up, this course covers almost all essential Mathematics topics required for GMAT, GRE, and Math Olympiad. A survey in the Uk shows that the total number of skills required for a single job has increased by 10% year-over-year since 2017. Furthermore, one in three skills in an average 2017 job posting are already obsolete. Due to ongoing business disruption and rapidly evolving needs, emerging skills gaps have accelerated due to the COVID-19 pandemic. And to help you bridge that gap, Course Cloud has prepared this comprehensive Perfect your Mathematics Fundamentals online course. Perfect your Mathematics Fundamentals covers a collection of necessary skills required to help you achieve your goals. In addition, our industry professionals will guide you through the process of establishing a solid foundation in Perfect your Mathematics Fundamentals. The Perfect your Mathematics Fundamentals course is broken down into manageable sections, each of which will provide you with a new level of expertise. Our exclusive training in Perfect your Mathematics Fundamentals will equip you with the skills required to set yourself up for career success. The Perfect your Mathematics Fundamentals provides internationally accepted certification upon successful completion. This certificate will add value to your resume and let you stand out among your peers. So enrol now and work your way towards becoming a highly sought-after professional at Perfect your Mathematics Fundamentals.
Microsoft Excel Advanced Course Please Note: This course uses the Windows version of Microsoft Office 2016. Any other versions will have some differences in the functions. The Microsoft (MS) Excel Certification Level 3 Course is the most comprehensive of the three Excel courses presented here. If a team member has successfully completed the Level 1 and Level 2 courses, they will be fully prepared to start the Level 3 course. Formulae or functions are what advanced users of Excel want from this tool. When you use formulae, not only can you see the data that you require for your work, you can also analyse it and get answers to complex questions. Although anyone with some Excel knowledge can use formulae, such as SUM, a user who has the advanced Excel skills presented in this course will use other formulae, both alone and combined, such as MATCH, INDEX, DSUM and VLOOKUP. In addition to knowing and using these formulae, an advanced user of Excel knows how to debug these formulae, how to audit them and how to choose the perfect formula for the particular task to be carried out. What's Covered in the Course? Any staff member choosing to study this course can expect to gain the following skills: How to set A Password to an Excel document; VLOOKUP Advanced formula options and manipulations; Other advanced functions: OR, AND, CHOOSE, INDIRECT, REPLACE, LEN, LEFT, FIND; Functions of CEILING, CORREL, DATEDIF, DATEVALUE, DAVERAGE and EDATE; Colouring a column and row with a formula; Highlighting a cell with a formula; Functions of ISODD, ISNUMBER, ISTEXT, ISLOGICAL, ISNONTEXT, ISERR and ISBLANK; Functions of DGET, DMAX, DPRODUCT, DCOUNTA, DCOUNT and DSUM; How to calculate depreciation in Excel, including SLN depreciation and SYD depreciation; Calculating loan IPMT and EMI; Functions of DATEDIF, DATEVALUE, EDATE, EOMONTH, MATCH and INDEX; Full explanation of the INDEX and MATCH functions; Looking up data; Selecting only cells containing comments; Hiding formulae; Automatically inserting serial numbers; The employee will also learn about calculating depreciation, calculating interest and calculating IPMT and EMI for loans, all by using Excel functions. The course features information on INDEX and MATCH functions, which is important in certain industries and roles. It also shows learners how to use the CHOOSE formula and how to create special charts. What are the Benefits of the Course? Upon completion of the Level 3 course, the employee will have access to the full functionality of Excel and will know how to use all of its formulae, functions and capabilities; The Level 3 Excel course is designed for 'power' users, but not only for programmers and those interested in financial modelling; Competent Excel users add huge value to an organisation, through advanced data analysis.
***24 Hour Limited Time Flash Sale*** Project Management, Agile Scrum and Team Management - QLS Endorsed Admission Gifts FREE PDF & Hard Copy Certificate| PDF Transcripts| FREE Student ID| Assessment| Lifetime Access| Enrolment Letter Begin your journey towards a rewarding and successful career by enrolling in our all-inclusive bundle of 8 Project Management, Agile Scrum and Team Management courses. We have carefully selected and combined these courses so that you can thrive in Project Management, Agile Scrum and Team Management. Our Project Management, Agile Scrum and Team Management bundle is designed to enhance your CV, impress potential employers, and set you apart from the competition. This bundle is your gateway to Project Management excellence, offering a multifaceted approach to prepare you for the demands of the job market. Enroll now and embark on a transformative journey, where Project Management is not just a course but a foundation for career elevation! Key Features of the Project Management, Agile Scrum and Team Management Bundle: 3 QLS-Endorsed Courses: We proudly offer 3 QLS-endorsed courses within our Project Management, Agile Scrum and Team Management bundle plus, you'll receive a free hardcopy certificate for each of these courses. QLS Course 01: Project Management QLS Course 02: Agile Scrum Master QLS Course 03: Team Management 5 CPD QS Accredited Courses: Additionally, our bundle includes 5 relevant CPD QS accredited courses. Course 01: Quality Management and Strategic Training - ISO 9001 Course 02: Strategic Management Course 03: Financial Modelling for Decision Making and Business Plan Course 04: Line Management Course 05: Diploma in Leadership In Addition, you'll get Five Career Boosting Courses absolutely FREE with this Bundle. Course 01: Professional CV Writing Course 02: Job Search Skills Course 03: Self Esteem & Confidence Building Course 04: Professional Diploma in Stress Management Course 05: Complete Communication Skills Master Class Convenient Online Learning: Our Project Management, Agile Scrum and Team Management courses are accessible online. Learning Outcomes of the Project Management, Agile Scrum and Team Management Bundle: Efficient collaboration through mastering Project Management, Agile Scrum and Team Management Develop advanced proficiency in Project Management, Agile Scrum and Team Management methodologies and strategies Execute projects adaptively using Agile Scrum in Project Management Acquire in-depth knowledge of the latest trends and advancements in Project Management, Agile Scrum and Team Management Optimize Project Management outcomes through strategic integration Why Choose this Project Management, Agile Scrum, and Team Management Course: Attain QLS-endorsed certifications, emphasizing Project Management, Agile Scrum, and Team Management. Stay abreast with 5 CPD QS accredited courses, aligning with Project Management standards. Cultivate expertise in Project Management, including Quality Management, Strategic Management, and Financial Modelling. Achieve a Diploma in Leadership, honing skills for effective project management. Access complimentary courses on CV writing, job search, and communication, crucial for Project Management. Navigate challenges effectively with a Professional Diploma in Stress Management, beneficial in Project Management scenarios. Bolster self-esteem and confidence, vital attributes in successful Project Management leadership. Master seamless team collaboration through enhanced communication skills in Project Management. Get enrolled right now to acquire exclusive knowledge on Project Management, Agile Scrum and Team Management! Embark on the path to a brighter future! The Project Management, Agile Scrum and Team Management bundle is a comprehensive collection of courses that have been meticulously designed to provide you with a well-rounded education in this field. This course has a combination of 3 QLS-endorsed courses and 5 CPD QS-accredited courses. We are proud to offer free hardcopy certificates for each course within the bundle, giving you the recognition you deserve. CPD 250 CPD hours / points Accredited by CPD Quality Standards Who is this course for? Professionals interested in Project Management, Agile Scrum, and Team Management Managers and team leaders looking to enhance their leadership skills and manage teams effectively Individuals interested in acquiring practical skills and knowledge to manage projects and teams successfully Requirements You will not need any prior background or expertise to enroll in this Project Management, Agile Scrum, and Team Management course. Career path Enrolling in this Project Management, Agile Scrum, and Team Management course empowers you to initiate or advance your career in related sectors, including: Project Manager: £25,000 - £80,000 Agile Scrum Master: £30,000 - £90,000 Team Leader: £20,000 - £60,000 Quality Manager: £30,000 - £70,000 Strategic Manager: £40,000 - £100,000 Certificates Digital certificate Digital certificate - Included Hard copy certificate Hard copy certificate - Included
In this course, we'll learn about runtime semantics and build an interpreter for a programming language from scratch. In the process, we'll build and understand a full programming language semantics.