video element The HTML <video> element is used to embed video content in an HTML or XHTML document, command element The command element represents a command which the user can invoke, meta element Specifies general high-level information about a document. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.
Click the html element name in the punctuation list to advance the example in 'Tryit-Editor':