This document discusses production planning and control (PPC). PPC involves directing and coordinating a firm's resources to meet production goals efficiently. It includes production planning, which determines operations and resource needs, and production control, which implements and regulates operations. The objectives of PPC are continuous production flow, optimized inventory, and increased productivity. PPC considers factors like process interdependence and system type. It involves activities like programming, routing, scheduling, loading, ordering, dispatching, follow-up, and inventory control to implement production plans.