something (a person or object or scene) selected by an artist or photographer for graphic representation | a part of a structure having some specific characteristic or function |
a branch of knowledge | the extent of a 2-dimensional surface enclosed within a boundary |
some situation or event that is thought about | a part of an animal that has a special function or is supplied by a given artery or nerve |
the subject matter of a conversation or discussion | a subject of study |
(grammar) one of the two main constituents of a sentence; the grammatical constituent about which something is predicated | a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography) |
(logic) the first term of a proposition | a particular environment or walk of life |
a person who owes allegiance to that nation | |
a person who is subjected to experimental or other observational procedures; someone who is an object of investigation | |