An object produced or shaped by human craft, especially a rudimentary art form or object, as in the products of prehistoric workmanship. Only in the last ten or twenty years works of various native peoples been considered art rather than artifacts, and displayed in museums of art as well as of ethnography. In digital imagery, visual effects introduced into an image in the course of scanning or compression that do not correspond to the image scanned.Also see collectible, ethnocentrism, material culture, placeholder, realia, and visual culture.