Definition of "Orbit" :
noun: an area in which something acts or operates or has power or control:
"In the political orbit of a world power."
noun: the bony cavity in the skull containing the eyeball
noun: the (usually elliptical) path described by one celestial body in its revolution about another
"He plotted the orbit of the moon."
noun: the path of an electron around the nucleus of an atom
noun: a particular environment or walk of life
"He's out of my orbit."
verb: move in an orbit
"The moon orbits around the Earth."