Nonverbal communication refers to the transmission of messages or information through means other than words, such as body language, facial expressions, gestures, tone of voice, and eye contact. This research area examines how nonverbal cues play a crucial role in interpersonal communication, relationships, and social interactions. Researchers in this field study the impact of nonverbal communication on various aspects of human behavior, including emotional expression, deception detection, impression formation, and relationship formation. Understanding nonverbal communication can help improve communication skills, enhance emotional intelligence, and foster better relationships in various personal and professional settings.