A bow is a an ornamental symmetric knot made of ribbon. These bows are made or used as hair accessory, as part of a dress, as a bow tie for men to wear instead of a tie, a shoelace. It is popular especially with little girls and they identify with bows to dress up with in their hair, their clothes, shoes or even as accessories. A bow can also be tied out of a scarf in the hair as a hairstyle for a girl.
It is also called a bow knot or a shoelace knot. The loops on a bow are often referred to as bunny ears when taught to children.