Storage Part 1

A storage medium is the physical material on which a computer keeps data, information, programs, and application.
Cloud storage is another storage option, in which the actual online storage media used is transparent to the user.
A storage device is the hardware that records and/or retrieves items to and from storage media.

Reading is the process of transferring items from a storage medium into memory.

Writing is the process of transferring items from memory to a storage medium.

.....pretty easy for starters....