Glossary of Web Development Terms

HTML
HyperText Markup Language - the standard markup language used for creating web pages.
CSS
Cascading Style Sheets - a language used to describe the style and layout of web pages.
JavaScript
A programming language used to create interactive effects within web browsers.

Web Design Terms

Responsive Design
A design approach that ensures web pages are displayed correctly on different screen sizes.
UI
User Interface - the space where interactions between humans and machines occur.
UX
User Experience - the overall experience of a person using a product, especially in terms of how easy or pleasing it is to use.

Programming Terms

API
Application Programming Interface - a set of functions that allow programs to communicate with each other.
AJAX
Asynchronous JavaScript and XML - a technique for creating fast and dynamic web pages.