The document discusses key aspects of web site development including the internet, world wide web, web browsers, types of websites, and planning a website. The internet is a global network connecting millions of computers. The world wide web consists of a system of global servers that supports shared documents through the HTTP protocol. Popular web browsers like Internet Explorer and Netscape Navigator display web pages, which are identified by URLs. Websites can be portals, news, informational, business, educational, entertainment, advocacy, personal, or blogs. Effective planning includes defining a website's purpose, audience, technologies, content, and value.