What Is the Difference Between a Tag and an Element?

Question

In some texts about XML, the terms tag and element seem to be used interchangeably. Do they mean the same thing, or are do these terms represent different

Answer 1

Tags mark the start and end of an element.

• <foo> — start tag
• </foo> — end tag
• <foo></foo> — element

See the specification:

Each XML document contains one or more elements, the boundaries of which are either delimited by start-tags and end-tags, or, for empty elements, by an empty-element tag.

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See also section 5 of NOT the comp.text.sgml FAQ