Fulfillment by Amazon (FBA) is a service provided by Amazon that allows third-party sellers to store their products in Amazon's fulfillment centers

Fulfillment by Merchant (FBM) is a method of fulfilling orders in which a third-party seller handles all aspects of the order fulfillment process, including storage, picking, packing, and shipping.

A 3PL, or third-party logistics provider, is a company that offers outsourced logistics services to businesses that need to manage their supply chain operations more efficiently.