The World Wide Web (www.), the World Wide Web or commonly referred to as the Internet or the Net, is a public hypertext system operating on the Internet.
A hypertext system is a system containing documents linked together by hyperlinks allowing automatic passage from the document consulted to another linked document.
The Web makes it possible to consult, with a browser, pages accessible on sites. The image of the spider web comes from the hyperlinks that link web pages together.

Châtaigne.