types:

alto relievo, alto rilievo, high relief

a sculptural relief in which forms extend out from the background to at least half their depth

bas relief, basso relievo, basso rilievo, low relief

a sculptural relief in which forms extend only slightly from the background; no figures are undercut

half-relief, mezzo-relievo, mezzo-rilievo

a sculptural relief between low relief and high relief

type of:

sculpture

a three-dimensional work of plastic art