Main entry: home run, bull's eye, bell ringer, mark
Definition: something that exactly succeeds in achieving its goal
Usage: the new advertising campaign was a bell ringer; scored a bull's eye; hit the mark; the president's speech was a home run
Main entry: bull's eye
Definition: in target shooting: a score made by hitting the center of the target
Usage: in repeated sets of five shots his numbers of bull's-eyes varied
Main entry: bull, bull's eye
Definition: the center of a target