Definition of "Brief" :

noun: a condensed written summary or abstract

noun: a document stating the facts and points of law of a client's case

verb: give essential information to someone

"The reporters were briefed about the President's plan to invade."

adjective: concise and succinct

"Covered the matter in a brief statement."

adjective: (of clothing) very short

"A brief bikini."

adjective: of short duration or distance

"A brief stay in the country."