LitCharts assigns a color and icon to each theme in Othello, which you can use to track the themes throughout the work.
Prejudice
Appearance vs. Reality
Jealousy
Manhood and Honor
Womanhood and Sexuality
Summary
Analysis
A herald reads a proclamation that Othello has called for a night of revelry to celebrate the annihilation of the Turkish fleet as well as his recent marriage.
In a military situation, where facts and actions are crucial, Othello is dominant. But in a domestic world of interpersonal relationships, facts can be fudged and Iago is in his element.