Internet is a network of connected devices.
The web is only a service of internet.
Want to learn more about it?
http://info.cern.ch/hypertext/WWW/TheProject.html
Sir Tim Berners Lee dit it!
This is an overview of the HTML code of THIS page. Don't be afraid, you will learn to write this today!
Remember: the web browser (Firefox, Chrome, Opera, Safari) is in charge of reading the HTML source code and to translate it in beautiful web pages easy to read for you!