The diagram above illustrates the total supply networks of the global retail giant Amazon. Step 1 shows when the customer places an order in wherever location he may be. The order is than assigned to the closest of the seven major distribution centers in the United States of America .The next step is as shown in the diagram indicates that the order is been shown red in the person whose item is ordered in the warehouse it than creates ride conveyors through DC, the items is been sorted out by a bar code and than the creates arrives at the central point and bar codes of the products matched with orders, the items sorted are than sorted automatically into ne of the many boxes chutes into a box. As shown in the diagram the bar code identifies customers order and than the customer order is packed taped and weighed. The taped and weighed boxes are shipped by the United Parcel Services and sent to customer between seven days.