input element Defines an input element, such as a text field control or button, within a form, abbr element Specifies that a string is an abbreviation for a longer word or phrase, var element Specifies that the enclosed text is a variable. 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':