Figure 1
The diagram depicts two vertically stacked rounded rectangles labeled “Logistics system” (top) and “Packaging system” (bottom). Between them, a dashed box labeled “Packaging Logistics” spans both, with a large vertical double-headed arrow indicating its interface role. To the right, two solid blue rightward arrows emerge—one from each main system—pointing towards a rectangle labeled “Order fulfilment”.Packaging logistics – integration of packaging and logistics systems, and the relation of it to order fulfilment for the customer