The document discusses material management and the key functions involved. Material management is responsible for all activities related to the flow of materials in an organization, including purchasing, inventory control, receiving, storing, production scheduling, and shipping finished products. It aims to maximize working capital, lower inventory costs, ensure cooperation between departments, and provide high quality customer service. The functions of material management include material planning, purchasing, inventory control, quality management, and transportation. Purchasing can be centralized or decentralized depending on the organization's needs. Vendor development is also an important part of material management.