There are some types of commercial documents that are used in transactions and other relevant formalities. These documents indicate the shipment or delivery of goods from the origin of the buyer, and even before the arrival of the item, it may be made on those transactions.The shipment has different types, and some are:1- for you the documents issued on the commodity trade. 2) Black, Validator: The final account of the seller for the buyer.3-loader is a protocol against transporting the freight of transportation companies exported and delivered to the owner of the goods; 4-berg is the offer of sale or promotional-processor, which is also a precursor to the invoice, and is a leaf that is exported on the price agreed between the seller and buyer as a sale.