video element The HTML <video> element is used to embed video content in an HTML or XHTML document, abbr element Specifies that a string is an abbreviation for a longer word or phrase, iframe element Defines an inline frame (ie a frame embedded in 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':