What are the three different zones in the material plan of an item?

In the context of material planning within the Infor M3 system, the correct zones represent critical stages of item material planning in supply chain management.

The Frozen Zone indicates that the plan is solidified and no further changes can be made at this stage. This often ensures that no unplanned modifications disrupt the delivery commitments or production schedules that are based on this plan. It serves to stabilize the operational execution.

The Planning Zone is where the initial assessments and forecasting take place. In this zone, supply chain planners can analyze demand and make relevant adjustments before finalizing the material plan. This is crucial for adapting to changes in demand or supply conditions.

Finally, the System Zone generally encompasses the automated parameters set in the software that facilitate the entire planning process. This includes algorithms and calculations that assess inventory levels, lead times, and other critical factors necessary for effective material management.

Together, these zones provide a comprehensive framework for managing the material planning process, highlighting the transition from conceptual planning to finalized execution while maintaining operational stability.