A person of considerable importance who is a major decision maker or capable achiever; an especially significant organization or an especially functional object.
A player with a favorable batting average who is especially good at hitting the ball deep into the outfield or farther.
In any sport, a strong, physical player who is particularly effective.
A person who subscribes to a publication or a service.
A system or component that subscribes to something, such as an event, made available by a publisher.