Definition of compacts:
(adj) :
Closely packed or densely constituted; having much material in a small volume.
(n) :
An agreement or contract.
(v) :
(intransitive) To form an agreement or contract.
(adj) :
(of prose) Brief and pithy; not verbose.
(v) :
(transitive) To make more dense; to compress.
(adj) :
Having all necessary features fitting neatly into a small space.