stor‧age W3 [uncountable]
when you keep or put something in a special place while it is not being used:
the storage of radioactive material
storage space/capacity (=space etc for keeping things in)
They moved to a house with lots of storage space.
when you pay to keep furniture or other goods in a special place until you need to use them
I put some of my things in storage.
the way that information is kept on a computer: