Basic Internet terminology

From Microsoft Knowledge Base Article 120687:

World Wide Web

A hypertext facility that essentially ties the Internet's many resources into a searchable web. If a certain word or phrase is highlighted on your screen, clicking it takes you to another site, file, or definition linked to that word.

The article also defines Archie, Veronica, Jughead, HGopher - all deader than dodos - and lists examples of browsers as Cello and Mosaic.