i just need a flowchart for the highlighted part please

1. Shopping (browse/search for items, select an item, select design/size, select/enter quantity, add to the order, review order): 2. Shipping (fill out shipping information, select shipping option); 3. Paying (enter payment method data (e.g. CC number, expiration date, CSV code), click "Check out", validate CC data via payment processing service; if data is correct, process payment, otherwise return error message and then prompt to enter payment data again; if the customer does not have a valid payment method or does not want to continue, they need to be able to choose not to continue and close the web-page; 4. Receiving order confirmation/receipt. The customer needs to open the web-store page in a browser to begin making an order and to close the browser after getting the receipt. The customer interacts with your web-store system similarly to any other ecommerce application (such as eBay, Amazon, Etsy); the customer needs to be prompted by the application to enter any information Your online store system needs to prompt the customer (display relevant data input interface), show respective output in the browser, validate payment method (by sending data to and receiving response from a