abbr element Specifies that a string is an abbreviation for a longer word or phrase, command element The command element represents a command which the user can invoke, details element The HTML details element (<details>) is used as a disclosure widget from which the user the retrieve additional information. 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':