We can communicate not only through words (1) through body language. Body language includes our posture, facial expressions, and gestures. Because body language is so important, you’ll want (2) what yours is saying and how to interpret other people’s, too. Here are some examples of body language and its meaning. If your posture is slumped and your head is down, this could mean that you are sad or youlack (3) . If your posture is straight but relaxed, you are expressing confidence and friendliness. A smile is a sign of friendliness and interest. But people sometimes smile just to bepolite. Friendliness and interest are expressed when a person’s eyes meet yours and then look away and meet yours again. A person (4) doesn’t look away is expressing a challenge. Hand gestures can mean a person is (5) in theconversation.