We usually understand when someone speaks writes to us, and many gestures and facial expressions have meaning, too. But have you ever considered what and how we eat as a form of communication? Food serves this purpose in two fundamental ways. In many cultures, people share at mealtimes Sharing bread or other foods is a common human tradition that can promote unity and trust. Food can also have a specific meaning, and play prominent role in a family or culture's celebrations or traditions. The foods eat-and when and how we eat them-are often unique to a particular culture, or may even differ between and urban areas one country.