The document introduces some theoretical concepts about web design and content management. It will cover HTML and CSS for web design, and WordPress for managing dynamic content. It provides a brief introduction to HTML and CSS, explaining that HTML defines the document structure and content, while CSS controls styles, colors and presentation. It notes that on their own, HTML and CSS produce static pages. It then introduces PHP and other programming languages that allow dynamically generating HTML pages and interacting with databases. It lists some common applications like forums, blogs, galleries and stores that use these technologies.