Activity Diagram
9/6/2026
Activity diagram showing a restaurant order flow from browsing the menu and placing an order through POS entry, food preparation and drink service, billing, payment confirmation, receipt printing, and checkout.
activity diagramrestaurant workfloworder processpos systembillingpayment flow
State Diagram
9/6/2026
State transition diagram of an order lifecycle, from pending payment through processing, shipping, delivery, returns, cancellation, and refund outcomes. It also includes exception paths such as backordered and lost in transit.
order statusstate machineecommerceshippingreturnsrefunds