Pithy remark (7)
(Other definitions for epigram that I've seen before include "Quip, witty saying" , "Witty poem" , "Snappy piece of wit" , "Witty, paradoxical remark" , "Clever remark" .)
(Other definitions for mot that I've seen before include "Word in France, bon perhaps" , "type of test" , "Witty saying" , "Vehicle check" , "A French word, may be bon" .)