a particular environment or walk of life; his social sphere is limited; it was a closed area of employment; hes out of my orbit

[ Syn: sphere , area , orbit , field , arena ]

territory over which rule or control is exercised; his domain extended into Europe; he made it the law of the land

[ Syn: demesne , land ]

(mathematics) the set of values of the independent variable for which a function is defined

[ Syn: domain of a function ]

people in general; especially a distinctive group of people with some shared interest; the Western world

[ Syn: world ]

the content of a particular field of knowledge

[ Syn: knowledge domain , knowledge base ]