Final answer:
The task referred to is procurement, which is responsible for the buying of all materials needed by an organization and plays a vital role in the supply chain related to the production and distribution of goods and services.
Step-by-step explanation:
The task you are referring to involves the buying of all materials needed by the organization and is also called procurement. Procurement is a key activity in the supply chain that concerns itself with the production of goods, including securing raw resources, overseeing marketing, and handling distribution.
It is a critical function as it ensures that a company has all the necessary materials and services to operate effectively and relates to how people meet their basic material needs, as well as the production, distribution, and consumption of goods and services, linking to both domestic and international scopes.