A call or summons on the trumpet. / (figuratively) Any call to action. / A small trumpet used by hunters to imitate the vocalisations of turkeys.

(retail) A service allowing customers to order products by telephone and then visit a local branch of the store to collect them.

plural of call-off

(military, historical) A signal sounded to instruct soldiers that it is time to water their horses.

To point at an indicator and call out its status while performing a task, such as operating a train, so as to promote conscious involvement and reduce the risk of error.

An appeal for action. / (marketing) A device designed to prompt an immediate response or encourage an immediate sale.

To decide to end an activity; to call it a day.

(Australia) A decision made by a political or business leader without consulting colleagues.

To voluntarily perform a task or set of tasks with which one is confronted, especially when motivated by a sense of responsibility or duty.

To ask (someone) to come to one's location, especially when raising one's voice towards someone within earshot.