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