Kinesics or Role of Body Language in Communication Body language plays an important role in communication. Most often it sends signals stronger than words. The subconscious mind controls the body movements, so listeners can easily understand if there is a difference in what you are saying and thinking. Hence, it is very important that your words and body language complement each other. Body language comprises of the gestures and movements we make of the different parts of our body when communicating with people. Facial expression and eye movements are very important while conveying your feelings. A smile on the face reflects confidence. Right body posture enables you to control your voice easily. Your body weight should be balanced on the feet to have right and correct posture. Observe your body language when you are happy and confident. You will notice that your body is balanced and you take full breath at easy and your body moves synchronously with your voice.