Use 'pack away' when items are stored out of sight, implying tidiness and organization. We need to pack away the winter clothes in the attic.
Pro Tip 2/3
Post-Activity
'Pack away' is often used after an activity to indicate cleaning up and returning an area to its original state. Let's pack away the craft supplies, the art project is finished.
Pro Tip 3/3
Orderly Process
It suggests a careful and systematic process, not haphazardly throwing things into a space. Can you pack away the files? Make sure they're in the right order.