The exchange of goods or services for an amount of money or credit. Sale can be interpreted in many ways. The following are the various ways in which it can be interpreted:
1. An instance of selling
2. An opportunity for selling
3. Availability for purchase: a store where items are sold
4. A selling of commodity to the highest bidder; an auction.
5. A special selling of goods at lowered prices: discount sale
Sale can happen in business buyer to business buyer market or in business buyer to consumer market.