In the context of fixed-quantity defined as the on-hand quantity (oh) plus any orders placed but which have not arrived minus any backorders (bo).

The answer is "inventory position".

The Fixed Order Quantity is the stock control framework, wherein the greatest and least inventory levels are settled, and most extreme and settled measure of stock can be recharged when the stock dimension achieves the auto set reorder point or the base stock level.  

Inventory positioning alludes to the specific area of different things in the product offering in plant, local, or field distribution centers. Inventory positioning has a direction on office area choice, and along these lines, must be considered in the logistics procedure.