A central role in some activity that requires speed.
The part of a baseball field which is beyond the infield and straight ahead left if you stand on home plate and face the pitcher.
The defensive position in the outfield in the middle, typically played by a player that can run fast.
A place of concentrated activity or influence.
The center of an organization's operations or administration.
The military installation from which troops are commanded and orders are issued; the military unit consisting of a commander and his support staff.