Reservation Entry - Surplus & Reservation

1.When will reservation status:: tracking/ surplus/ reservation/ prospect etc etc? is there any scenario or example?
From F1:

  • Reservation

This is a reservation. Usually, the user has reserved this item for the order

  • Tracking

The program has allocated the supply for this demand. The system only tracks if the Tracking Policy field on the item card is set to Tracking Only or Tracking & Action Msg., or during planning in the planning worksheet.

  • Surplus

Surplus occurs in connection with tracking, for example, if the supply is not allocated to any demand, or the demand is not allocated to any supply.

  • Prospect

Used for non-order network entities, e.g. item journal line, to carry item tracking.