Intaglio

Etching is a printmaking technique that uses chemical action to produce incised lines in a metal printing plate which then hold the applied ink and form the image

Drypoint is a printmaking process in which a design is drawn on a plate with a sharp, pointed needle-like instrument

Engraving is a printmaking technique that involves making incisions into a metal plate which retain the ink and form the printed image

A printmaking method distinct from woodcut in that the line is incised into the woodblock, rather than the background being cut away to leave a line in relief