Step 1: Define the term 'Intaglio.' It is an Italian word meaning "to incise."
Step 2: Apply the definition to the options. Intaglio refers to a family of printmaking methods where the image is incised into a surface (the matrix), and the incised line or sunken area holds the ink. It is therefore a Technique of Print Making. This family includes methods like engraving, etching, drypoint, and mezzotint.