This document provides an overview of production planning and control (PPC). It defines PPC as directing and coordinating a firm's materials and facilities to efficiently attain production goals. The objectives and functions of PPC include planning production, executing plans, and controlling the process. There are two main types of production systems - discontinuous (job order and batch production) and continuous (mass and flow production). The document outlines different production methods and provides examples. It also discusses elements of production control and the organization of PPC.