The subject of a sentence that expresses the actual agent of an expressed or implied action (as father in "it is your father speaking") or that is the thing about which something is otherwise predicated (as to do right in "it is sometimes hard to do right"). | something (a person or object or scene) selected by an artist or photographer for graphic representation |
| a branch of knowledge |
| some situation or event that is thought about |
| the subject matter of a conversation or discussion |
| (grammar) one of the two main constituents of a sentence; the grammatical constituent about which something is predicated |
| (logic) the first term of a proposition |
| 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 |