The document discusses different aspects of websites, web pages, and the World Wide Web. It defines the World Wide Web as an open information space accessed via URLs and hyperlinks on the internet. Websites are collections of web pages that reside on the same server and are organized hierarchically with hyperlinks controlling navigation. Web pages can be static files or dynamically generated and are viewed using HTML in a web browser. The document also categorizes websites according to their style (static vs dynamic) and function (personal, commercial, government, non-profit).