facial expressions
everyone does them
Facial expressions are responsible for a huge proportion of nonverbal communication. Consider how much information can be conveyed with a smile or a frown. The look on a person face is often the first thing we see, even before we hear what they have to say.
While nonverbal communication and behavior can vary dramatically between cultures, the facial expressions for happiness, sadness, anger, and fear are similar throughout the world.
angry
having a strong feeling of or showing annoyance, displeasure, or hostility.
happy
pleasure or contentment toward something.
confused
the state of being bewildered or unclear in one's mind about something. lack of understanding.
gestures
along with facial expressions are gestures which also explain how you feel to the person communicating with you.