 Religious believers may or may not accept such symbolic interpretations.The practices of a religion may include rituals, sermons, commemoration or veneration (of a deity, gods, or goddesses), sacrifices, festivals, feasts, trances, initiations, funerary services, matrimonial services, meditation, prayer, religious music, religious art, sacred dance, public service, or other aspects of human culture.Religions have a societal basis, either as a living tradition which is carried by lay participants, or with an organized clergy, and a definition of what constitutes adherence or membership.