It is possible, however, to specify certain characteristics that are now considered common to most Hindus, despite this longstanding diversity.
(1) The Hindu concept of the universe as Brahman
Hindus generally agree that all the particular gods that can be worshiped are actually part of one all-encompassing divine power known as Brahman (to be discussed further in this course).
This universal Brahman is not to be confused with the caste known as Brāhmins or Brāhmans. It is also different form the god Brahmā, who is only one manifestation (like Shiva and Vishnu) of the supreme Brahman.