The Web explained in less than 128 words

The Internet is a computer network, the Web is a network of information that are connected by hypertext.

The web server provides information when asked: queries that are made by web customers.

The browser allows you to view the information, it sends an HTTP query over the internet.

The search engine responds with a list of urls. Web pages contain HTML describes the structure and content of the document. The CSS style sheet contains the shape of the code.

The browser interprets HTML and CSS and the user-readable poster. The search engine robots are called "spiders" and they browse the web pages and their links: they do website crawling.