This document discusses aggregate production planning (APP), which determines production quantities and schedules for the medium-term future of 3-18 months. APP balances long-term strategic planning with short-term production by considering available production capacity, demand forecasts, budgets, and other factors. It aims to minimize costs and maximize resource utilization through strategies like maintaining a steady production level, matching production to demand, or a hybrid approach. The outcomes of effective APP include reduced costs, improved capacity analysis, and a basis for more detailed production plans.