Descriptions:
"A network storage system is a way to centrally store data from a small or large network of interconnected systems.
A network storage system helps all your data to get organized and save critical information created on a computer in an efficient and accessible manner. The most basic form of network storage is saving a computer's content to a disk or CD-Rom and storing it somewhere safe. You can use an external hard drives or data stations or even mobile phones to act as a network storage device."

Network storage, internal hard drive, external hard drive