The term 'kind of heel' refers to the different types of heels that can be found on shoes. WEDGE, STILETTO, Cuban, and SPIKE are all types of heels. WEDGE is a heel that is wide at the bottom and gradually tapers to the ground. STILETTO is a very thin and tall heel that is usually pointed at the end. Cuban is a heel that is slightly curved and has a low profile. Lastly, SPIKE is a heel that is very thin and has a sharp point at the end.