Information exchange that shouldn’t take long? (8)

I believe the answer is:

briefing

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'information' is the definition.
(thesaurus)

I don't understand the remainder of the clue.

(Other definitions for briefing that I've seen before include "Update session" , "Session to give information or instructions" , "Instructional meeting" , "Information (meeting)" , "Issuing instructions or giving information" .)

I've seen this clue in The Times.

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