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