To HTML Content Category Interactive

Html elements aembed, and video

a element Specifies either a hyperlink or a target for a hyperlink, embed element Defines an object, such as a multimedia file, embedded in an HTML document, video element The HTML  <video> element is used to embed video content in an HTML or XHTML document. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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a a and embed, aembed, and video

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