A heel is the bottom, back part of a shoe or boot that provides elevation. The styling and construction of a heel may vary (i.e., stacked, stilletto, spiked, sculptured, kitten).
About Metallic:
Metallic refers to a material that represents or resembles metals such as gold, silver, or pewter. Metallic articles are very shiny, and often embellished by metal materials.
About Peep Toe Shoes:
A style of women's shoes that are mostly closed around the toes, except for a small hole at the tip that allows the end of the big toe to show through.