a knowledge domain that you are interested in or are communicating about; "it was a limited domain of discourse"; "here we enter the region of opinion"; "the realm of the occult"
territory over which rule or control is exercised; "his domain extended into Europe"; "he made it the law of the land"
the set of values of the independent variable for which a function is defined
a facility equipped with special equipment and personnel for a particular purpose; "he started looking for a gas station"; "the train pulled into the station"
(nautical) the location to which a ship or fleet is assigned for duty