1.An indulgence is the cancellation of temporal punishment due for sin, when the sin’s guilt has already been pardoned.
2.An indulgence is partial if it frees the Christian partially from the temporal punishment due for his sins, plenary if it frees him wholly.
3.Both partial and plenary indulgences can always be applied to the dead, but only by way of suffrage.
4.Since the Apostolic Constitution of Pope Paul VI on Indulgences, a partial indulgence is no longer expressed in reference to time, i.e. days or years