
It advances the plot by showing us how much Emilia cared for Desdemona.
(Act 4, Scene 3, Lines 84-104) Emilia in this monologue, Emilia is talking about how easily men replace us with other women, like we were their property or possessions. What have I ever done that he has anything to complain about?' She's confused at why Othello is accusing her of cheating, this is how it fits into the play. (Act 4, Scene 2, Lines 106-108) "'Tis meet I should be used so, very meet./ How have I been behaved, that he might stick/The small'st opinion on my least misuse?" What she means is 'It’s fair for him to treat me like this, very fair. This advances the plot because it shows what Emilia is saying to Desdemona about what they would cheat for. This is an oxymoron because huge world and a small lie are complete opposites, this make them an oxymoron. (Act 4, Scene 3, Lines 68-69) "The world's a huge thing it is a great price/For a small vice."-Emilia. You are so involved in the story and their lives you want to help them out and fix there problems but that’s not possible. This scene outweighs other instances of dramatic irony because we the readers know the real truth while Iago is hurting everyone else. So know Othello has proof to believe Iago in the fact that Desdemona and Cassio have been together. Bianca’s appearance actually helps Iago’s plan because she says “I must take the work out? A likely piece of work that you should find it in your chamber and know not who left it there!” (Act 1, Scene 1, Lines 150-153). Shortly after Bianca comes into the scene and you as the reader almost want Iago to finally get caught. Once Iago feels that he has Cassio in a comfortable state of talking about Bianca he beckons for Othello to move closer so he can hear what Cassio is actually saying. That’s why he says “Look how he laughs already.” (Act 4, Scene 1, Line 110) So Othello truly believes that Cassio and Desdemona have been together.
Othello can’t hear the conversation he can only see it. Iago plans to talk with Cassio about Desdemona while Othello hides in the bushes. But Iago is really going to ask Cassio about Bianca so Cassio will make movements and gestures that aren’t classy and then Othello will become upset. (Act 4, Scene 1, Lines 105-167)These lines are an example of dramatic irony.An undertaker is someone who cares for the dead and usually buries them. You shall/ Hear more by midnight." This is Iago telling Othello that he will kill Cassio. (Act 4, Scene 1, Lines 207-208) "As for Cassio, let me be his undertaker.In spite of Desdemona's protests of innocence (backed up by Iago's wife, Emilia), Othello is now convinced of her infidelity with Cassio. Othello’s smoldering rage now beginning to bubble over, Othello tells Iago to kill Cassio and then angrily confronts Desdemona.
Iago manipulates a conversation with Cassio about Bianca to make it appear to Othello-who is eavesdropping at the urging of Iago-that Cassio is talking about Desdemona. Summary Of Act IV: Cassio, meanwhile, has given the handkerchief to Bianca, a girl he has been dating.