This article presents an overview of the comparison between HTML5 and HTML4. A section may consist of one or more phrases, just like a novelist text, gathered together subject by subject. Potential sources for the element: Forum post; Blog post; News story; Note: The element does not render as anything special in a browser. The HTML5 Document Outline Algorithm. It can be used within articles, in the header or footer, or to define navigation. It is similar to the div from HTML4, and represents a logical section or component of a web application or document. HTML5 has introduced the new structural elements such as ,