IT IS TAKEN AROUND THE SMALLEST PART OF THE TORSO (TORSO IS A PART OF THE HUMAN BODY THAT HAS NO HEAD, NO ARMS AND NO LEGS).
IT IS TAKEN AROUND THE FULLEST PART OF THE BUTT.
IT IS TAKEN FROM THE WAISTLINE DOWN TO THE FULLEST PART OF THE BUTT.
IT IS TAKEN FROM THE WAISTLINE DOWN TO THE DESIRED LENGTH OF THE SKIRT.