artefact vs ornamentation

Other hyponyms of artefact include article, facility, Americana, anachronism, antiquity, block, button, commodity, good, trade good, cone, covering, creation, decker, decoration, ornament, electroplate, excavation, duplicate, extra, cloth, fabric, material, textile, facility, installation, fixture, float, insert, inset, instrumentality, instrumentation, means, bed, layer, lemon, stinker, line, marker, mystification, opening, cushioning, padding, plaything, toy, ready-made, restoration, flat solid, sheet, sphere, square, squeaker, slip, strip, construction, structure, surface, thing, track, way, weight, building material, pavement, paving, paving material.