Money transfer is a term that refers to one of the following cashless payment methods or systems: ... Money order, postal check, money gramme, or other methods. A postal order is a document that is acquired at a post office and is payable to the stated recipient at another post office. Money transfer is a term that refers to one of the following cashless payment methods or systems: Money order, postal check, money gram, or other methods. A postal order is a document that is acquired at a post office and is payable to the stated recipient at another post office. Money transfer can refer to any of the following cashless payment methods or systems:... money order, postal check, money gram, or wire transfer.