What I Learned In Selling There was a variety of subjects that I learned while taking this selling class this semester. The major things that stood out from the class were the definition of selling, the definition of marketing, social, ethical, and legal issues in selling, and the psychology of selling. First and foremost I gained a better understanding of what selling is all about. Selling is the personal communication of information to persuade a prospective customer to buy something that satisfies that individual's needs. That "something" is a good, service, or idea. Selling is a component of marketing and it involves a person helping another person. There was also fi