1) The six main articles of faith in Islam are: belief in Allah, angels, revealed books, prophets, life after death, and divine decree.
2) Belief in the oneness and uniqueness of Allah is the foundational principle of Islamic faith. Allah is the creator, sustainer, and sole object of worship.
3) Angels, including Jibreel, Mikael, Izrael and Israfil, are spiritual beings created from light that obey Allah and deliver messages.