I = Inventory (In House)
W = Warehouse (At the suppliers)
N = Network (Not at the suppliers but at other locations of that suppliers) So the other location would ship it to that suppliers warehouse and then ship to the customer.
I = Inventory (In House)
W = Warehouse (At the suppliers)
N = Network (Not at the suppliers but at other locations of that suppliers) So the other location would ship it to that suppliers warehouse and then ship to the customer.