As used in this article:
(a) “Amount secured by the lien” includes interest and any costs and charges secured by the lien.
(b) “Encumbered property” means real or personal property that is subject to a lien for a secured debt which is a valid claim against the estate and which has been allowed or approved.
(c) “Lien” means a mortgage, deed of trust, or other lien.
(Enacted by Stats. 1990, Ch. 79.)