The text in which a word or passage appears and which helps ascertain its meaning.
The trama or flesh of a mushroom.
For a formula: a finite set of variables, which set contains all the free variables in the given formula.
The surroundings, circumstances, environment, background or settings that determine, specify, or clarify the meaning of an event or other occurrence.
The surroundings and environment in which an artifact is found and which may provide important clues about the artifact's function and/or cultural meaning.