What is the theism of Islam?

The theism of Islam is characterized by the belief in a singular, all-powerful, and merciful God known as Allah. Muslims believe that Allah is the creator and sustainer of the universe, with no partners or equals. The core tenet of Islamic faith, known as Tawhid, emphasizes the oneness of God and rejects any form of polytheism or idolatry. This belief is foundational to Islamic teachings, guiding the moral and spiritual lives of its followers.