Final answer:
Nonverbal communication, also known as body language, includes tone of voice, eye movement, posture, hand gestures, and facial expressions. It conveys important messages and emotions and can vary in meaning across cultures and situations.
Step-by-step explanation:
Nonverbal communication, also known as body language, encompasses various forms of non-spoken communication, such as tone of voice, eye movement, posture, hand gestures, and facial expressions. These nonverbal cues are an integral part of communication and can convey important messages and emotions. For example, a smile often represents joy, while folded arms and furrowed brows may indicate a serious topic or disagreement. It is important to understand the cultural and contextual significance of different nonverbal cues as their interpretations can vary in different cultures and situations.