Please answer in detail as much as possible and organize it in the same order.

1. Explain the difference between sell-from-stock and configure-to-order strategies?

2. Explain the key steps in a basic fulfillment process?

3. Explain the difference between a backorder and a stock out?

4. Define the following terms: (a) Mode of shipment (b) Storage location (c) Open quantity (d) Delivered quantity