Final answer:
The three flows of every order system are information flow, physical flow, and financial flow, covering the entirety of order management from data exchange and product movement to financial transactions.
Step-by-step explanation:
The correct answer to the question of what are the three flows of every order system is: a) information flow, physical flow, and financial flow. These three elements are crucial for managing and understanding any order system, such as supply chain management. The information flow pertains to the transmission of orders and the tracking of goods and services through the system. The physical flow involves the actual movement of products, from raw materials to finished goods, as they make their way through the supply chain to the end consumer. Lastly, the financial flow relates to the payment transactions, including the transfer of funds related to sales and purchases within the system.