The Loading tab is used for D2C clients. The carrier responsible for Loading process goes to the specific spot in the warehouse and loades the items into the truck. The loading tab allows seing all the loadings made in the warehouse. Step 5 of the Unloading-Receiving-Pick-Pack-Loading process.
Some carriers require the warehouses to generate the close shipments (e.g. FedEx). Once the close shipment option is selected the manifest would be created with all the orders. From the business perspective the functionality is done for the Operations team
The carriers list is received from the Pack tab. During the packing process the user prints the shipping labels used as deliveries in the Loading process.