Supernatural power is a concept that has been present in many cultures throughout history. MOJO, mana, and JUJU are all terms used to describe this type of power. MOJO is an African-American term for a charm or amulet believed to bring luck or protection. Mana is a Polynesian term for a spiritual force believed to be present in all things. JUJU is a West African term for a magical object or charm believed to have supernatural powers. All three terms refer to a belief in the power of the supernatural.