1. Muhammad founded Islam in 610 CE after receiving revelations from God through the angel Gabriel, preaching monotheism and establishing the Five Pillars of Islam.
2. The Qur'an is the central religious text of Islam containing revelations received by Muhammad, and Islamic architecture features mosques oriented towards Mecca with no figurative art.
3. Sufism represents the mystical dimension of Islam through communities led by sheykhs that emphasize devotion to God through ascetic practices and poetry.