Final answer:
Monotheistic religions, such as Islam, Christianity, and Judaism, focus on the worship and belief in a single supreme deity.
Step-by-step explanation:
Monotheistic religions are those that focus on a single deity. Islam, Christianity, and Judaism are three examples of monotheistic religions. These religions believe in the existence of a supreme being who is all-powerful, all-knowing, and eternal.
For example, in Christianity, there is the belief in the Holy Trinity, which consists of God the Father, Jesus Christ, and the Holy Spirit. Although this may seem to defy the definition of monotheism, Christians consider it as a monotheistic parallel to the concept of the Trinity.
In Islam, the belief is in one God, Allah, who is the sole creator and ruler of the universe. Muslims believe that Allah is the one and only true God and reject the notion of multiple deities.