The buyer can be a company or an individual customer.
The seller is the company the produces items or goods and wants to sell them.
The business transaction takes place through the commercial correspondence between the buyer and the seller.
Nowadays, the commercial correspondence takes place via the Internet or via faxes, by writing e-mails or faxes.
The first step in the business transaction is the enquiry, when a customer wants to buy some goods or items he asks information about the goods or about the items.
In the enquiry the customer asks information about the means of payment, the means of transport, the insurance, discounts and if he agrees about the terms, he makes and order.
The buyer contacts a seller to see if he can supply the type of goods he is interested in.
Seller UNSOLICITED OFFER:
Sometimes the seller initiates the transaction. He may want to promote a particular product, or contact new customers, in which case he offers his goods at interesting terms.
Seller REPLY TO ENQUIRY:
The seller replies to an enquiry giving the information requested.
Buyer REPLY TO OFFER:
If a buyer is interested in an offer made by a seller, he asks for further information like the ones in an enquiry. Alternatively, he can refuse the offer.
Buyer ORDER OF GOODS:
Once the buyer has examined and accepted the sales terms, he places his order. The order contains basic information such as the quantity and description of the goods (colour, size, article number), their price, the delivery time, the means of payment and the type of transport. He can also include special instructions referring to packing, insurance and documentation.