(of speech, a style of writing, a person etc) giving much information in few words

short, to the point

having only a little extent in space (length); (of a person, mountain etc) below the average or usual height; having, taking, a little time

abridged

expressed briefly and clearly

brief, to the point

brief; giving the chief points only; done or given without delay or mercy

concise, to the point

(of speech, style, speakers) brief and exact

brief, short