Which of the following best represents an important aspect of nonverbal communication?

Nonverbal communication encompasses a variety of expressive signals that do not involve spoken or written language, making facial expressions and body language a fundamental component. This form of communication often conveys emotions, attitudes, and reactions more powerfully than words alone. Through facial expressions, individuals can express feelings such as happiness, sadness, anger, or surprise, while body language—including gestures, posture, and movement—can provide additional context or reinforce verbal messages. For instance, maintaining eye contact can indicate interest and confidence, whereas crossing arms might suggest defensiveness or disinterest. This interplay of physical cues enhances the overall communicative experience, making it essential to understand in the context of effective communication. Other aspects presented, such as intonation, sentence structure, and technical jargon, pertain more to verbal communication rather than nonverbal cues.