Answer:
crescent moon and star
Step-by-step explanation:
The first distinguishing feature of the Islamic religion is the star and crescent (or quartermoon). These symbols, although they had no real doctrinal meaning or origin, are beloved to be symbols of the Islamic empires, probably the Ottoman and the Persian empires. However, after the collapse of the two empires, these symbols used to continue to be used by the Islamist. In addition to the star and crescent, the Islamist buildings are known to be decorated by intricate designs and patterns. This is seen inside the mosque and paces of worship.