CHAT n.
Light, familiar talk; conversation; gossip. Snuff, or fan, supply each pause of chat, With singing, laughing, ogling, and all that. Pope.
COLLOQUIAL a.
Pertaining to, or used in, conversation, esp. common and familiar conversation; conversational; hence, unstudied; informal; as, colloquial intercourse; colloquial phrases; a colloquial style. -- Col*lo"qui*al*ly, adv. His [Johnson's] colloquial talents were, indeed, of the highest order. Macaulay.
COMMISSION n.
sells goods on commission, as the agent of others, receiving a rate per cent as his compensation. -- Commission, or Commissioned, officer (Mil.), one who has a commission, in distingtion from a noncommossioned or warrant officer. -- Commission of the peace, a commission under the great seal, constituting one or more…