BE CONCISE &c. adj.; telescope, laconize; condense [See Contraction]; abridge [See Shortness]; abstract [See Compendium]; come to the point.
ADJECTIVE:
CONCISE, brief, short, terse, close; to the point, exact; neat, compact; compressed, condensed, pointed; laconic, curt, pithy, trenchant, summary; pregnant; compendious (compendium) [See Compendium]; succinct; elliptical, epigrammatic, crisp; sententious.
ADVERB:
CONCISELY &c. adj.; briefly, summarily; in brief, in short, in a word, in few words; for the sake of brevity, for shortness sake; to come to the point, to make a long story short, to cut the matter short, to be brief; it comes to this, the long and short of it is, the gist is.