Web space refers to storage space on a university web server that is accessible online. This document explains that students are given 50MB of web space on the WKU server, which they can use to publish their own websites. It outlines how to claim this space by registering on the webmaster site and receiving a unique web address. Finally, it discusses the basic process of creating web pages on a local computer and uploading them to the public_html folder to make the site visible online.