A mortgage is defined by the wikipedia as “the transfer of a controlling interest in the property (or the equivalent in law – a charge) to a lender as security for a debt – usually a loan of money. If a mortgage is not a debt, it is the lender of the security of a debt. It is a transfer of an interest in land (or equivalent) for the owner to the mortgage lender, provided that the interest will be returned to the owner of the property when the terms of the mortgage have been met or implemented. In other words, the mortgage is a loan guarantee for the fact that the lender to the borrower.“