Quote: "An old black ram is tupping your white ewe" (lines 89-90) - This crude imagery emphasizes the racial prejudice that will become a central theme.

Vocabulary: "Tupping" - a crude term for mating, specifically used for sheep, employed here to dehumanize Othello.

Highlight: Iago's linguistic dominance throughout the scene demonstrates his role as the puppet master of the unfolding drama.

Example: The repeated use of black/white imagery reinforces the racial tensions that will drive much of the play's conflict.

Quote: "I follow him to serve my turn upon him" (line 42) - This line encapsulates Iago's duplicitous nature and his intention to betray Othello.

Highlight: The scene's opening immediately establishes the theme of deception through Iago's admission of his false loyalty.

Example: Dramatic irony is employed when Iago discusses his relationship with Othello, as the audience becomes aware of his true intentions while other characters remain oblivious.

Definition: Dramatic irony - when the audience knows something that the characters do not, creating tension and anticipation.