A website is a collection of computer files held on a server and sent to your web browser in the form of pages. These pages may contain text, images and even small interactive programs.
There is a lot of talk about Web(2.0), (pronounced: Web two point naught), and even Web(3.0). Cutting through the hype, Web(2.0) is about dynamic content driven websites like this one. Such sites are used for on-line banking, shopping, discussion groups, blogs, document stores and much more.
I have no idea what Web(3.0) is, but when I find a good defintion, I'll post it here.