Islam is a system of faith.
Islam . الإسلام , [ alʔisˈlaːm ] ) is an Abrahamic monotheistic religion which professes that there is only one and incomparable God ( Allah ) and that Muhammad is the last messenger of God . Religion is any cultural system of designated behaviors and practices , world views , texts , sanctified places , ethics , or organizations , that relate humanity to the supernatural or transcendental . Different religions may or may not contain various elements ranging from the `` divine '' , `` sacred things '' , `` faith '' , a `` supernatural being or supernatural beings '' or `` some sort of ultimacy and transcendence that will provide norms and power for the rest of life '' .