(idiomatic) In a restrained manner; on a small or limited scale.

(music) A musical key based upon a minor scale. / (idiomatic) A mood of melancholy or pathos.

A key designed to open a set of several locks; a passkey. / (figuratively) Any tool or technique that can solve many types of difficulty.

Alternative form of hotkey

(computing) Any of a set of keys on a personal computer or terminal keyboard used to activate a predefined or programmable function.

(computing) A key on a personal computer or terminal keyboard used in combination to modify the function of other keys; normally labelled "Ctrl"

The key on a typewriter used to select uppercase letters and certain special characters by physically moving the mechanism

(computing) A key on a personal computer or terminal keyboard used in combination to alter the function of other keys

Abbreviation of programmed (or programmable) function key.

(UK, Ireland, education) Any of the sequential stages of attainment in the state education system of England, Wales, Northern Ireland and Gibraltar, specifying the knowledge expected of students at various ages.