For some questions about the parted partition tool, please help me explain it!

For some questions about the parted partition tool, please help me explain it! -- Linux general technology-Linux technology and application information. For details, refer to the following section. When Partitioning Using the parted tool, do I need to create a new disk tag type? What is the disk tag type? I checked the tags on the Internet. The tag types include bsd and loop gpt mac msdos pc98 sun, but no details about the disk tag are found, I hope your predecessors can help explain this! Thank you so much here... {: 3_107 :}