The chorus in Greek drama can be compared to a modern narrator. The chorus reveals important characters as well as settings and morals. They may mention something that will soon happen in the story in order to keep the audience entregued
Banquo and Fleance approach on their horses and dismount. They light a torch, and the murderers set upon them. The murderers kill Banquo, who dies urging his son to flee and to avenge his death.