The term 'Major Account' is a job title that refers to a salesperson who is responsible for managing and developing relationships with large, important customers. The acronym SAGA stands for Sales Account Growth and Acquisition, which is the primary responsibility of a Major Account. This job requires the individual to be knowledgeable about the customer's needs and preferences, as well as the company's products and services. They must also be able to negotiate and close deals with the customer in order to maximize profits for the company.