Which one is a type of optical storage?

Which one is a type of optical storage?

آپٹیکل اسٹوریج کی ایک قسم کون سی ہے؟
Explanation

Blu-ray disk is a type of optical storage that uses laser technology to read and write data.

It stores high-definition video and large data.

Unlike floppy disks and hard disks which are magnetic storage devices.