b element Displays the text of the element as boldface text, hgroup element The HTML Headings Group Element (<hgroup>) represents the heading of a section, svg element SVG is a language for describing two-dimensional vector graphics in XML. 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':