Question

functional compositions of industry refers to​

Answer 1

You purchased it from a shop sure, but the shopkeeper purchased it from his distributor, the distributor purchased it from the manufacturer. And, the manufacturer produced a final product, your smartphone, from the raw materials available to him. Thus, the manufacturer is the origin of your smartphone. An industry is a group of organizations involved in producing/manufacturing or handling the same type of product and service. So, a group of smartphone manufacturers is known as an industry.