- a generalized, supernatural force or power, which may be concentrated in objects or people.
- a finite supply of magic or magic points that is depleted with every spell cast by a magic-wielding player character in a video game, role-playing game, collectible card game, trading card game, etc., and that is slowly replenished with rest or quickly restored by certain items, like potions: This tank needs to slow his roll—the healer is out of mana.
- (in Polynesia, Melanesia, etc) a concept of a life force, believed to be seated in the head, and associated with high social status and ritual power
- any power achieved by ritual means; prestige; authority
