Earrings: jewellery worn on the ear.
Stem earring: jewellery provided with a stem for the pierced ears.
Rings: ring of equal width provided with a stem.
Pierced earrings: jewellery provided with a screw as a stem.
Clip earring: jewellery provided with a lever being tightened on the ear.
Drop earrings: jewellery provided with a hanging part.