The term 'Business DEPARTMENT' can be broken down into two words, 'SALES' and 'DEPARTMENT'. SALES is a five letter word that refers to the activities of selling goods or services in order to generate revenue. A DEPARTMENT is an organizational unit within a company or organization that is responsible for a specific area of activity. Therefore, a Business DEPARTMENT is a DEPARTMENT within a company or organization that is responsible for activities related to SALES, such as marketing, customer service, and product development.