Used metalinguistically, with the repetition being in the discussion, or in the linguistic or pragmatic context of the discussion, rather than in the subject of discussion.
used in asking a question to which one may have already received the answer, but cannot remember it.
Used in repeating a question or statement.
Used in applying a previously made point to a new instance.
Once more, in a different manner, on a new basis.
anew; "she tried again"; "they rehearsed the scene again"
