a part of a structure having some specific characteristic or function | an area within a building enclosed by walls and floor and ceiling |
the extent of a 2-dimensional surface enclosed within a boundary | the people who are present in a room |
a part of an animal that has a special function or is supplied by a given artery or nerve | space for movement |
a subject of study | opportunity for |
a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography) | |
a particular environment or walk of life | |