In SAP HANA system, you have to assign packages to Delivery unit. Once packages are assigned to export DU, you can see the list of DU’s by using Export option −
Go to File → Export → Delivery Unit → Select the Delivery Unit
You can also select export location:
This means that a Delivery unit can be exported to HANA Server location or to a Client location as shown in the below snapshot. It also shows you list of all packages that will exported with Delivery unit you have selected from drop down list.