The focus of marketing process is consumers. The main objective of marketing process is to satisfy them. The role of customers in demand, price, quality, model and type of products and determination of delivery point becomes very important. They provide important information to intermediaries and producers.
As the payment made by the consumers for the products finally reaches the sources, i.e the hand of producers and suppliers of raw materials, the consumers or customers' role becomes the most important to give dynamism to the business world and to the economy as a whole.