Karma, from the Sanskrit verb "perform work", is the adult action that arises from basic adult responsibility. If you spill a bottle of milk, karma is simply the action you take to clean up your own mess.
Karma, when applied to spirituality, is your accumulated responsibility.
"We believe in the circle of life. We believe that all return to its source; that both good and bad return to the place where they began. We believe that if we start a deed, after the fullness of time it will return to us, the source of the journey. If care is not used when the circle is begun, then the hurts along the way will be received in the end. Such is the belief of the true Ojibway."
- Ignatia Broker, Night Flying Woman: An Ojibway Narrative (Minnesota: Minnesota Historial Society Press, 1983: p. 56)