This document provides an overview of web development. It defines web development as building and maintaining websites, involving aspects like design, publishing, programming, and database management. Web development is classified into frontend and backend development. The frontend is what users interact with directly, while the backend is server-side and stores/arranges data. The document outlines the basic tools and frameworks used in frontend development like HTML, CSS, JavaScript, and Bootstrap, as well as backend languages and frameworks like PHP, Java, Python, Node.js, Express, Django, and Rails. It also describes what full-stack developers do and common tools used in web development.