What are allusions in Agamemnon?

Allusions in "Agamemnon," a play by Aeschylus, refer to references to mythological, historical, or literary figures and events that enrich the narrative and themes. For instance, the play alludes to the Trojan War and the myth of Iphigenia, highlighting themes of sacrifice and vengeance. These references deepen the audience's understanding of character motivations and the moral complexities of fate and justice. Additionally, allusions to the gods and their influence underscore the interplay between divine will and human actions.