Final answer:
Body language is the capability of the body to speak its own language and communicate without words through various forms of nonverbal communication.
Step-by-step explanation:
Body language is the capability of the body to speak its own language and communicate without words. It includes various forms of nonverbal communication such as facial expressions, gestures, and posture. For example, a person's smile can convey happiness or friendliness, while crossed arms might indicate defensiveness or discomfort. Body language is an important aspect of communication as it can enhance or contradict verbal messages.