br element Specifies a hard line break in the text, hgroup element The HTML Headings Group Element (<hgroup>) represents the heading of a section, progress element The HTML progress (<progress>) element is used to view the completion progress of a task. 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':