Storage is the at least semi-permanant holding of an amount of something. A storage device is an apparatus for holding things.
There are several different types of storage:
... 25 to 44, 20.6% from 45 to 64, and 9.6% who are 65 years of age or older. The median age is 35 years. For every 100 females there are 96.9 males. For every 100 females ...