a round or semi-circular shape a flat surface with a raised center a hole in the center a label with printed text or graphics a spindle hole for attaching to a drive a metallic or plastic coating
disk which is a round or semi-circular shape disk which is a flat surface with a raised center disk which is a hole in the center disk which is a label with printed text or graphics disk which is a spindle hole for attaching to a drive disk which is a metallic or plastic coating