A mosque is a place of worship for Muslims where they pray and worship Allah. It is an important part of Muslim worship because Islam places great importance on prayer. Mosques differ in appearance and size depending on the religious makeup of the country. They contain minarets used to call Muslims to prayer, domes representing Allah's creation, and decorative patterns without images due to prohibitions on idolatry. An imam leads prayers and delivers sermons but holds no special status over other Muslims.