Browse the glossary using this index

Special | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ALL

D

Dot Density

The number of dots applied in a given area; higher density creates darker shading, while lower density creates lighter tones.

Doubling

An engraving error where a punch is unintentionally struck twice, causing a blurred or doubled mark.