Aggregate planning is a process by which a company determines levels of capacity,production,subcontracting,inventory,stockouts,and even pricing over a specified time horizon.

Capacity

The maximum number of goods a company can produce or the amount of work it can perform in a given time period, under current conditions.

Production

The process of creating goods and services through the combination of labor, materials, and machinery.

Subcontracting

The practice of assigning or outsourcing part of the obligations and tasks of a contract to another party, often used to leverage specialized skills or cost advantages.