Final answer:
Nonverbal communication is a form of human interaction that does not involve words, instead using gestures, facial expressions, and body language to convey information and emotions.
Step-by-step explanation:
Nonverbal communication, sometimes referred to as body language, is a critical aspect of interacting that does not involve the use of words. The accurate description that depicts nonverbal communication among the options provided is: It is a part of communication that does not involve words. This form of communication includes a wide range of behaviors such as facial expressions, gestures, posture, and other body movements, all of which can convey important information and emotions without the need for spoken or written language.
While some types of nonverbal communication like smiles or tears may be nearly universal, others such as the thumbs-up gesture can vary significantly in meaning from one culture to another. Body language also includes the position, orientation, and movement of our bodies, which can all serve to complement, contradict, or enhance verbal communication. Considering these factors, it's clear that nonverbal communication is not limited to facial expressions nor is it solely used in written form.