Body language expresses a type of non-verbal communication that depends on body movements, such as: facial expressions, movements, and various gestures made by a person, and they are used consciously or unconsciously sometimes, and usually these physical signals accompany a spoken message, or are It is used instead of speaking, and this language is greatly noticed by others, because it is more honest than verbal communication. Body movements must often be identical with the words that accompany them, and when these signs do not match the words that come out with them, there becomes a contradiction between what the person says. And what he means, which provokes others to question his meaning again.

Although there are some common gestures, body language differs from one person to another. Each body has its own language, which is called the “standard." It is simply the natural state of a person in which he is, far from any kind of pressure, fear, anxiety, Sadness and all the factors that may lead him to hide a certain truth or feelings. The process of analyzing body language is the process of comparing the rest of the person's behavior and this standard that we draw through our knowledge of the person.