This document provides information about early Islamic architecture during the Umayyad Dynasty, including key structures like the Great Mosque of Damascus and the Dome of the Rock in Jerusalem. It discusses the architectural features of these buildings, such as their plans, materials used, and decorative elements. The Great Mosque of Damascus had a large prayer hall with double tiered arcades and mosaic decoration depicting gardens and trees. The Dome of the Rock featured an octagonal plan and a gilded dome supported by wooden frames, and its geometric design drew from ancient traditions. Both buildings set precedents that influenced later Islamic sacred architecture.