The document provides an overview of supply chains and supply chain management. It defines a supply chain as the network of activities involved in delivering a finished product to a customer, including sourcing, production, and distribution. Supply chain management coordinates this network to promote information sharing and efficient movement of goods from suppliers to manufacturers to distributors. The document then describes key components of supply chains, including suppliers, internal functions, and distributors. It also discusses issues like the bullwhip effect, the role of information technology, and trends in supply chain management.