An item's relative importance. / A goal of a person or an organisation. / The quality of being earlier or coming first compared to another thing; the state of being prior.

plural of priority

(informal) An expression, chiefly unfriendly, remarking disagreement with someone else's order of priorities; that someone takes the wrong action compared to something else, or in the wrong order. Get your priorities straight.

Of the highest level of importance / To be done before doing anything else.

(uncountable) Relatively highest importance. / (countable) Item of highest importance.

Alternative form of top-priority

Alternative form of aperture priority

Alternative form of shutter priority

(photography, often used attributively) A setting in many professional-grade and advanced-amateur-grade cameras which allows a photographer to manually set the shutter speed of an exposure while the camera then automatically selects the correct aperture setting for that exposure.

(photography, often used attributively) A setting in many professional-grade and advanced-amateur-grade cameras which allows a photographer to manually set the aperture setting of an exposure while the camera then automatically selects the correct shutter speed for that exposure.