A hug is a form of physical intimacy, or waist of one another and hold each other closely. Universal in human communities, this is informally referred to as a group hug. In which two or more people put hugging in love arms around the neck, the origins of the word are unknown but two theories exist. Which meant to comfort.
If more than two persons are involved; old Norse word hugga, and originally meant to enclose with a hedge. Is a form of nonverbal communication.