Watzlawick and co-workers (1967),n their seminal text on family communication, Pragmatics of Human Communication, delineated six principles of communication that are basic for understanding family communication processes. First and foremost was the dictum that it is impossible to not communicate, as all behavior is communication. In any situation in which two or more person are present, the individuals may or may not communicate verbally, but they cannot avoid communicating nonverbally. In this context, reference to nonverbal communication refers to nonlanguage experession such as turing away or frowning, but dose not refer to signed language.