In target shooting: a score made by hitting the center of the target.

Roget 222: centrality, centricalness^†, center; middle etc. 68; focus etc. 74.    core, kernel; nucleus, nucleolus; heart, pole axis, bull's eye; nave, navel; umbilicus, backbone, marrow, pith; vertebra, vertebral column; hotbed; concentration etc. (convergence) 290; centralization; symmetry.    center of gravity, center of pressure, center of percussion, center of oscillation, center of buoyancy &c.; metacenter^†.    ... show more

The center of a target.

synonym: bull.

Something that exactly succeeds in achieving its goal:
— Scored a bull's eye.

synonyms: bell ringer, home run, mark.

Roget 731: success, successfulness; speed; advance etc. (progress) 282.    trump card; hit, stroke, score; lucky hit, fortunate hit, good hit, good stroke; direct hit, bull's eye; goal, point, touchdown; home run, homer, hole-in-one, grand slam; killing [make money], windfall bold stroke, master stroke; ten strike [U.S.]; coup de maitre [Fr.], checkmate; half the battle, prize; profit etc. (acquisition) 775.    continued success; good fortune etc. (prosperity) 734; time well spent.    advantage over; upper hand, whip hand; ascendancy, mastery; expugnation^†, conquest, victory, subdual^†; subjugation etc. (subjection) 749.    triumph etc. (exultation) 884; proficiency etc. (skill) 698.    conqueror, victor, winner; master of the situation, master of the position, top of the heap, king of the hill; achiever, success, success story.    ... show more

Polish: strzał w dziesiątkę