| Master schedule (plan input) |
User input demand for deliverables. Choose the part required, how many are required, and when it is required. |
| Material Requirements Planning (MRP I) |
Determines the components required to build an assembly based on supply and demand in the factory. Backwards schedules from the master schedule. |
| Material Resource Planning (MRP II) |
Forward schedules dates based on capacity constraints in the factory. |
| Order policy |
A way to define how plan items should be grouped or created. |
| Period of supply |
A type of order policy that groups plan items by date buckets. |
| Plan item |
An output of Autoplan. Plan items can be linked to inventory, runs, or purchases. Or they can be unlinked, meaning that they are a signal to take action. |
| Reorder point |
A type of order policy that creates a new plan item purely based on supply levels for a given part. |
| Safety stock |
A way to artificially increase demand for a part so that extra parts are kept on hand. |