concise words

brevity

briefness or conciseness in speech or writing.

succinct

clearly and briefly stated; concise

reticent

not talking much; reserved

quiescent

quiet; still ; inactive

taciturn

silent; sparing of words; close-mouthed

concise

using few words in speaking or writing.

laconic

using few words in speech

terse

using only the words that are needed to make the point; very concise, sometimes to the point of rudeness.

pithy

brief and full of meaning and substance; concise.