About :: (a) A mortgage is the transfer of an interest in specific immoveable property for the purpose of securing the payment of money advanced or to be advanced by way of loan, an existing or future debt, or the performance of an engagement which may give rise to a p cuniary liability. The transferor is called a mortgagor, the transferee a mortgagee; the principal money and interest of which payment is secured for the time being arc called the mortgage-money, and the instrument (if any) by which the transfer is effected is called a mortgage-deed. (b) Simple mortgage.?Where, without delivering possession of the mortgaged property, the mortgagor binds himself personally to pay the mortgage-money, and agrees, expressly or impliedly, that, in the event of his failing to pay according to his contract, the mortgagee shall have a right to cause the mortgaged property to be sold and the proceeds of sale to be applied, so far as may be necessary, in payment of the mortgage-money, the transaction is called a simple mortgage a