DDP  Delivered Duty Paid.
DDU  Delivery Duty Unpaid.
Delivery Order  (1) Order from the consignee, shipper, or owner of freight to a terminal operator, carrier, or warehouse to deliver freight to another party. On imports, may also be known as a pier release.
(2) A document which is neither a bill of lading or a waybill but contains an undertaking which
i) is given under or for the purposes of a contact for the carriage by sea of goods to which the document relates, or of goods which include those goods; and
ii) is an undertaking by the carrier to a person identified in the document to deliver those goods to which the document relates to that person.
(3) Delivery orders are likely capable of transfer of contractual rights by way of endorsements, but they are not necessarily documents of title in the sense of being able to pass constructive possession.
Delivery  (1) The physical and legal transfer of a shipment from consignor to carrier and from carrier/ transport agent to consignee.
(2) The act of putting property into the legal possession of another whether involving the actual transfer of the physical control of the object from one to the other or being constructively effected in various other ways.
Demand Chain   Another name for 'supply chain', with emphasis on the customer or party controlling demand.
Demurrage   (1)Compensation (as liquidated damages) for delay in removing cargo from terminal facilities.
(2) A charge assessed for detaining a container, freight car, truck or other vehicle beyond the free time stipulated for loading or unloading
DEQ  Delivery Ex Quay.
DES  Delivered Ex Ship.
Detention   Costs incurred when a shipper/consignee or his/her agent removes a container from carrier's origin/destination CY to the shipper/consignee's place of business, and does not return the loaded/empty container to the CY or to another location designated by the carrier, within the permitted free time as stipulated in the applicable tariff.
Differential  Amount added or deducted from base rate to create a rate to or from some other point or via another route.
Distribution Requirements Planning   A system of determining demand for inventory at distribution centers, consolidating the demand information backwards, and acting as input to the production and material system.
Distribution   The full range of activities and planning required to move a product from the production line to the end user.
DIT   Destination Interchange Terminal. Facility operated by the ocean carrier or his agent at which containers are interchanged with the delivering motor carrier.
Diversion Charge   Fee for diverting cargo from original intended destination port to a new location.
Dock Receipt   Receipt given for a shipment received or delivered at a pier or dock. When delivery of a foreign shipment is completed the dock receipt is exchanged for a bill of lading with the transportation line.
Draft  Marine : The depth to which a vessel's deepest point is under water. Rail : A cut of coupled cars Financial : A signed, written order by one party that instructs another party to pay a 3rd party a specific amount. It also may be called a bill of exchange.
Drawback  99% refund of imported or duty paid materials which are to be exported again.
Drayage  Charge for hauling freight, drays, or trucks within a port.
Dry Dock   Used to lay up vessels for repair.
Dunnage  Material used around cargo to prevent breakage or shifting, normally provided by shipper. Its weight is included in the rating.
Duty Drawback   (1) Payment returned for cargo re-exported or trade shows material. (2) A customs refund on re-exported cargo.