Hanfu(汉服)has many patterns.Ruqun(襦裙)is worn by women.When its collar likes the letter “y”,we can called it Jiaolingruqun(交领襦裙).If its collar likes the number“11”,we can called it duijinruqun(对襟襦裙).When they are classified by its height of the skirt,we can called them qiyaoruqun(齐腰襦裙)——Which waistband is on the waist.Or qixiongruqun(齐胸襦裙)——Which waistband is above the chest .