(noun)
a number or letter indicating quality (especially of a student's performance); "she madegoodmarks in algebra"; "grade A milk"; "what was your score on your homework?"
a distinguishing symbol; "the owner's mark was on all the sheep"
something that exactly succeeds in achieving its goal; "the new advertisingcampaign was a bell ringer"; "scored a bull's eye"; "hit the mark"; "the president's speech was a home run"
(verb) attach a tag or label to; "label these bottles"