The document discusses different types of links in HTML, including page jumps within a document, links to other pages on the same site, and links to external websites. It covers how to create links using text, buttons, and images. Specific code examples are provided to demonstrate how to make internal page jumps within the document using anchors, link to other files on the same site, and link to external URLs. The document also explains some of the attributes used in link code like href, name, method, action, type, and value.