embed element Defines an object, such as a multimedia file, embedded in an HTML document, keygen element The HTML keygen element exists to facilitate generation of key material, and submission of the public key as part of an HTML form, 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':