You can continue to create new volumes in this utility if you wish ... to set a new disk as the primary drive without entering UEFI/BIOS, streamlining the process of managing boot settings.

BIOS and UEFI differ in age, interface, and functionality, with UEFI supporting mouse navigation and networking. BIOS uses MBR, UEFI uses GPT, and BIOS works in 16-bit mode while UEFI can operate ...