Sales is any type of interpersonal communication, usually one-on-one, that leads to the close of a sale, or a signed contract. Most often sales are the interactions with prospects or leads, which are the direct product of marketing. The strategy behind sales is to “push” with a concentration on short-term results. Successful salesman have the ability to communicate the “what” and “why” of their product or service. They help the prospect or lead to realize what the product or service offers them and why it’s in their best interest to purchase said product or service.