an informal photograph; usually made with a small hand-held camera; "my snapshots haven't been developed yet"; "he tried to get unposed shots of his friends"
being in effect or operation; "de facto apartheid is still operational even in the `new' African nations"- Leslie Marmon Silko; "bus service is in operation during the emergency"; "the company had several operating divisions"
of or intended for or involved in military operations
pertaining to a process or series of actions for achieving a result; "operational difficulties"; "they assumed their operational positions"
having or using the ability to act or decide according to your own discretion or judgment; "The commission has discretionary power to award extra funds"
(especially of funds) not earmarked; available for use as needed; "discretionary funds"; "discretionary income"