Scracthboard can beconsidered a form of direct engraving where a dark colored surface (usually ink) is scratched off using a vairty of tools, reveling a white or colored surfce beneht it. I refer to it as “subtractive drawing” as the act of remivign hte black top leayer is just the opposote of plaicng it on a whte surefce. as the initil ocem a dark black surfce