The online shopping system data flow diagram shows how customers go from searching for products to confirming their orders. Customers search for products, add them to their cart, and proceed to checkout. The inventory management system processes payments and confirms orders. The payment gateway handles transactions. The system records transactions and issues orders, ensuring a seamless shopping experience. This smooth flow of information shown by the DFD boosts customer satisfaction. It makes shopping easy, from picking a product to paying and receiving the order.