embed element Defines an object, such as a multimedia file, embedded in an HTML document, noscript element Specifies alternative content to display if a client browser does not support scripts, bdo element Specifies the text direction for the document. 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':