Nonverbal communication refers to the transmission of messages or information without the use of words. This includes body language, facial expressions, gestures, posture, and eye contact. Nonverbal cues can convey emotions, attitudes, and intentions, often complementing or contradicting verbal communication. In many situations, nonverbal signals can be more powerful than spoken words. For example, a smile can indicate friendliness, while crossed arms may suggest defensiveness. Understanding nonverbal communication is essential in various fields, including psychology, business, and interpersonal relationships, as it helps individuals interpret the true meaning behind interactions.