The abbreviation for Gigabyte is GB. Gigabyte is a "Capacity unit of measure".
One gigabyte (GB) is 1,024 MB. GBs are the most used storage type today. GB storage space is used in products such as phones, external hard drives, computers, USBs.
sample data storages in GB;

1 GB = about 10 meters of books on a shelf
4.7 GB = Capacity of a DVD-ROM disc

Gigabyte is one of the most widely used terms today as a data unit. One Gigabyte is equivalent to the capacity of 2 CDs on average. Especially if it is compared to the old technology, we would have to put the data we put in a single gigabyte into thousands of floppy disks. We can place books in a single gigabyte with the capacity of a library with an average length of 10 kilometers.

The order of the capacity measure from the smallest to the largest: Bits, Bytes, Kilobytes, Megabytes, Gigabytes, Terabyte. Byte is 8 bits and represents a letter on the screen as the data size. Kilobyte is equivalent to 1024 Bytes and Megabyte (MB) is equivalent to 1024 KB.