Dance is an activity practiced by man, that was born by the human necesity of expression. It is being spoken like spiritual motives characterized by fear, petitions or gratitudes to the divinity; of erotic or afective reason; of the warrior reason to scare the enemy and self excite himself to attack in battle, or the reason leagued to the crop celebration, etc.
All this explain why dancing involves a message, it is significant and has a spìritual content besides the esthetic one.