domain
n 1: a particular environment or walk of life; "his social sphere
is limited"; "it was a closed area of employment"; "he's
out of my orbit" [syn: {sphere}, {area}, {orbit}, {field},
{arena}]
2: territory over which rule or control is exercised; "his
domain extended into Europe"; "he made it the law of the
land" [syn: {demesne}, {land}]
3: the set of values of the independent variable for which a
function is defined [ant: {range}]
4: people in general; especially a distinctive group of people
with some shared interest; "the Western world" [syn: {world}]
5: 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" [syn: {region}, {realm}]