Supplier terminology defined.
Restock order cycle – how often (days) you want to evaluate your stock to determine if you need to purchase from your supplier or send to FBA center (for MFN – how often you want to order products from suppliers);
Restock safety stock – how long (days) you would want Amazon to hold in your stock in case there is a delay in shipment or there is a positive change in sales velocity;
Restock lead time – the time (days) it takes for your products to get to the Amazon FBA centers from your warehouse, or from your supplier, to when Amazon will make it available to you (Amazon processing time). If MFN, restock lead time is how long it takes you to get products from your supplier;
Restock Point – the culmination of lead time, safety stock and order cycle.