Substantive
Focuses on the substances of religion such as gods, prophets, holy texts and the afterlife. Defines religion as a belief in the sacred and supernatural.
Functional
Defines religion by its psychological and social functions it performs for society. i.e. integrating individuals into a value consensus.
Constructionist
Defines religion as the subjective meanings that individuals create to construct religion/
(not a definition of religion) Contested Concept
Definitions of religion are constantly being redefined and reinterpreted by societies and individuals.