Memory Game Architectural elementsOnline version Nombre e imagen. Name and image. by Longo Del Congo Horseshoe arch Mosaics: small stones called tesserae, which were backed and glazed clay. -Religious and emperor themes. -Polychrome, gold backgrounds. -Hieratic faces (no feelings). -Two dimensional. Half domes: supported the weigh of the dome. Were outside. Relief: - Capitals of columns or horizontal bands. - Geometric and plant motifs or biblical scenes. Trefoil arches Butresses: supported the weigh of the dome. Were outside. Round arch Muqarnas vault Ashlars Pendentives: supported the weigh of the dome. Were inside. Rib caliphate vault Icons: religious paintings on boards Ribbed dome