The document discusses the scope of marketing. Marketing processes entities like goods, services, ideas, people, places, organizations, properties, and information. It is responsible for managing different types of demand from customers, such as negative, non-existent, unwholesome, declining, irregular, latent, and overfull demand. A simple marketing system has a relationship between a market of buyers and a collection of sellers, involving the exchange of goods, services, money, and information. The scope of marketing depends on the market situation and type of demand from customers.