Which of the following defines nonverbal communication?

The correct choice defines nonverbal communication as communication that relies on gestures, expressions, and body language. Nonverbal communication plays a crucial role in conveying feelings, thoughts, and attitudes without the use of spoken or written words. It can enhance or contradict verbal communication, impacting how messages are received and understood. Elements like facial expressions, posture, eye contact, and gestures are all integral components of nonverbal communication. This type of communication can provide context to conversations, indicating emotions such as happiness, anger, sadness, or discomfort.

The other choices represent forms of communication that do not encompass the essence of nonverbal interaction. Communication that occurs only through written words focuses solely on textual representation, while audio elements pertain to spoken communication rather than nonverbal signals. Complex technical jargon implies a reliance on language and terminology that could obscure meanings rather than convey them through nonverbal cues. Thus, the selected definition accurately captures the unique and vital aspects of nonverbal communication.