(formal language theory) A formal grammar in which the left-hand sides and right-hand sides of any production rules may be surrounded by a context of terminal and nonterminal symbols.

a kind of online help that is obtained from a specific point in the state of the software, providing help for the situation that is associated with that state.

In formal language theory, a context-sensitive language is a language that can be defined by a context-sensitive grammar (and equivalently by a noncontracting grammar).