1. Flowchart Diagram

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Explanation:

1. The diagram shows the flow of events when a customer buys a product on an online store.
2. The customer visits the online store and browses products.
3. The customer selects a product and adds it to the cart.
4. The customer reviews the cart and proceeds to checkout.
5. The customer fills in shipping details and the system calculates the total cost.
6. The customer confirms the total cost and proceeds to payment.
7. The customer receives an order confirmation.
8. The system notifies the fulfillment center of the order.
9. The fulfillment center confirms shipment of the order.
10. The customer receives the order.