Sales is the process of actively promoting and exchanging goods or services between a buyer and a seller for an agreed upon exchange of value. It is an important component of any business and can be instrumental in its success. Sales involves the transfer of ownership from the seller to the buyer, either through a direct exchange of goods or services for money, or through a series of transactions that culminate in the transfer of ownership. Sales can also involve the use of advertising, promotion, and customer service to increase the likelihood of sales.