The PaymentWorks Training - Order Addresses video explains the purpose of an order address, typically found on a payee invoice or purchase order for goods and services, noting that it is not necessarily a physical or remit address but an additional address required for the payee record. Guides how to associate this address with the payee record. Highlights the order address as an optional third address that can be enabled as an additional feature, allowing payees to add this address during registration to ensure all necessary address types are included.