What Is a Trade Draft

What is a trade draft?

A) A type of secured loan with trade products serving as collateral.
B) A means of pledging accounts receivable.
C) An agreement to meet certain terms,which are attached to the shipment,and which must be signed before the goods are delivered to the buyer.
D) A legal agreement promising to pay for the goods,which is signed by the buyer before the seller will ship the goods.
E) A standing agreement between a bank and a firm.