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