Definition of sample:
of anything presented for inspection, or shown as evidence of the quality of the whole; a specimen
; as, goods are often purchased by samples; (music production): gratuitous borrowing of easily recognised phases (or moments) from other music (or movies) in a recording, used to emphasize a particular point by implying a certain context
"I design this but for a sample of what I hope more fully to discuss." -Woodward.
to make or show something similar to; to match; to take or to test a sample or samples of; as, to sample sugar, teas, wools, cloth