This document defines various architectural terms from different time periods and cultures. It provides definitions for Egyptian structures like sphinxes, mastabas and obelisks. It also defines Greek and Roman structures such as pyramids, stonehenge, ziggurats and hieroglyphics. Additionally, it outlines terms for architectural elements in Christian churches like narthexes, baptisteries, fonts and domes. The document aims to concisely define over 50 key terms related to architecture globally.