Gestures help speakers organize spatial and motor information when speaking. They allow information to be presented in a multidimensional manner and can supplement words, especially when conveying mental images or concepts. There are different types of gestures like deictic, iconic, metaphoric, and emblems. Gestures benefit the speaker cognitively and increase the informational value of a message by about 60% when used with speech. Lessons involving gestures are more effective than those without, and learners who gesture spontaneously retain information better. Vocal variations also convey meaning. Features like pitch, rate of speech, volume, pauses, and prosody can reveal emotions and influence perceptions of dominance, anxiety, and persuasiveness. A