What is a key component of nonverbal communication?

Facial expressions and body language are fundamental elements of nonverbal communication because they convey emotions, attitudes, and reactions without the use of words. These forms of communication often provide insight into individuals' true feelings or thoughts, emphasizing or even contradicting what is being said verbally. For example, a person may say they are happy, but if their facial expression is downturned, it suggests otherwise. Body language, which includes posture, gestures, and eye contact, further enhances the message being communicated and can significantly impact interpersonal interactions.

In contrast, the other options focus on verbal or written communication forms, which do not fall under the umbrella of nonverbal methods. Using complex vocabulary might enhance verbal communication, but it doesn’t relate to nonverbal cues. Written communication, while an important aspect of overall communication, does not typically convey nonverbal signals. Listening skills are crucial for effective communication overall, but they pertain more to receiving messages rather than conveying them through nonverbal means. Thus, facial expressions and body language are indeed the essence of nonverbal communication.