keeps quiet (verb) secrete: hide
Sinonime: arbitrary, boiled down, breviloquent,
brief,
compact, compacted, compendiary, compendious, condensed,
cursory,
curt,
hasty, in a nutshell,
laconic,
perfunctory,
pithy*, recapped, rehashed, run-down, run-through,
short, short and sweet,
succinct,
terseAntonime: lengthy,
long, long-winded, unabridged,
wordy