Theistic beliefs refer to the conviction that a divine being or beings exist and play a role in the universe. This can include belief in a single deity, as seen in monotheism, or multiple deities, as in polytheism. Theists often believe that these divine entities are involved in human affairs and can influence the world. Many theistic traditions also include sacred texts, rituals, and moral guidelines that followers adhere to. Examples of theistic religions include Christianity, Islam, and Hinduism. These beliefs shape the worldview of adherents, influencing their values, practices, and understanding of existence.