1. The Element
The element represents introductory content for its nearest ancestor sectioning container, typically housing logos, site headings, and search bars:
2. The Element
The element represents the central, dominant content unique to that specific document. There must be only one visible element per HTML page. It must not contain content repeated across pages like sidebars, copyrights, or site banners.
3. The Element
The element contains concluding information about its nearest sectioning ancestor: authorship, copyright, legal disclaimer links, and social contact links: