The document discusses supply chain management (SCM). It defines SCM as the active management of supply chain activities to maximize customer value and achieve a competitive advantage. It describes key aspects of SCM including integrating suppliers, distributors and customers; using information systems to automate information flow; and setting objectives at strategic, tactical and operational levels to manage resources, scheduling and production planning. The document also outlines challenges in SCM like demand uncertainties and the bullwhip effect, and how information systems and software can help address these challenges by facilitating information flow, tracking orders and inventory, and enabling collaborative planning across the supply chain.