Motivation refers to the set of factors that drive a person to act or pursue a specific goal. It can be intrinsic (related to pleasure, sense of accomplishment) or extrinsic (related to rewards, consequences). ‍For example, an employee may be motivated to work intensively to get a promotion or because he or she likes his or her job.Appetite is a person's natural predisposition or liking for something. It can be the result of skills innate or acquired, previous experiences or personal interest. ‍For example, a candidate for a computer science position may have a natural appetite for the logic required in a programming activity.In summary, motivation focuses on the factors that drive a person to act, appetence focuses on a person's skills and natural interests, and aspiration focuses on longer-term goals.