Html elements video, span, and command

video element The HTML  <video> element is used to embed video content in an HTML or XHTML document, span element Span element used to surround content blocks for formatting, command element The command element represents a command which the user can invoke. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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video video and span, video, span, and command

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