plural of cue
"The actors followed the director's cues to start their lines at exactly the right moment."
Third-person singular simple present indicative form of cue
"The director cues the actors to begin their lines when the lights dim."
In plain English: To cue means to give someone a signal that it is their turn to do something next.
"The director will cue the actors to start their lines when everyone is ready."
plural of Cue
"The magician skillfully used his cues to signal the assistants during the performance."