The term 'Mosque Religion' is referring to the religion of Islam, which has 5 letters. Islam is a monotheistic religion that was founded in the 7th century by the Prophet Muhammad. It is based on the teachings of the Quran and is one of the world's largest religions with over 1.8 billion followers. The core beliefs of Islam include belief in one God, the Prophet Muhammad as his messenger, and the Quran as the holy book. Muslims practice their faith through prayer, fasting, charity, and pilgrimage to Mecca.