Given the task definition and input, reply with output. In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

A hard disk drive ( HDD ) , hard disk , hard drive , or fixed disk is an electro-mechanical data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks ( platters ) coated with magnetic material .

A hard disk drive ( HDD ) , hard disk or hard drive , is a data storage device for computers which uses magnetic storage to store data .