‘This is the “temptation scene”, the longest and most important in the play. Iago’s plot comes to a head in this pivotal scene, which falls naturally into five parts.
1 Cassio’s suit (lines 1–41)
2 Desdemona’s plea (lines 42–93)
3 Iago’s first temptation of Othello (lines 94–283)
4 Loss of the handkerchief (lines 283–334)
5 Iago’s second temptation of Othello (lines 335–486)…’