Html elements dfn, section, and iframe

dfn element Specifies that the enclosed text defines a term, section element The HTML Section Element (<section>) represents a generic section of a document, i, iframe element Defines an inline frame (ie a frame embedded in a document). These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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dfn dfn and section, dfn, section, and iframe

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