header element The HTML Header Element (<header>) represents a group of introductory or navigational aids, b element Displays the text of the element as boldface text, menu element The HTML menu element (<menu>) represents an unordered list of menu choices, or commands. 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':