The expression pack represents a hug. Other expression packs use words to express meaning. The expression pack of a wordless villain is a hug. The representatives of the elders send comfort to the younger generation, and the representatives of the younger generation send intimacy with the elders. The warm love sent by the lover in the supermarket makes the other person feel that it is very happy to have a lover's hug, but everyone is happy to give his lover a hug.