What is it?
The Worldwide Web is a system of internet servers that support specifically formatted documents. The Worldwide Web is the network which connects all computers together and can access each other through said network.
Does your URL use it?
The Worldwide web is accessed through a page on your computer known as a webpage, at the top us a URL bar which can be used to access different webpages. The language that is used in this URL is a markup language called hypertext markup language (or HTML) which supports links to other websites, such as the one you’re on right now.