(Canada, US, colloquial) Kind of. / (slang) In a low-key or surreptitious manner; secretively; on the down-low.

(art, photography) Dark; characterised by dark tones and muted colours. / (by extension) Restrained, subtle, not trying to attract attention.

A hex head wrench.

Alternative form of hotkey

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

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

Abbreviation of programmed (or programmable) function key.

(biology) A written tool for identification of plants and animals. It is written as a sequence of paired questions, the choice of which determines the next pair of questions until a name or identification is reached.