a thing said or done that serves as a signal to an actor or other performer to enter or to begin their speech or performance.
"she had not yet been given her cue to come out on to the stage"
a signal for action.
"his success was the cue for the rest of the team to follow ahead"
a hint or indication about how to behave in particular circumstances.
"my teacher joked about such attitudes and I followed her cue"
