: This is a known tag for a specific uploader or site that distributes game backups.

: This indicates it is the third piece of a "multi-part" archive. To extract the actual game file, you would typically need all parts (part1, part2, etc.) in the same folder before opening the first one with a program like WinRAR or 7-Zip.

Files with these naming patterns are commonly found on third-party ROM and emulation sites. If you are downloading these, ensure you are using a trusted source to avoid malware, and be aware of the copyright policies regarding digital software backups in your region.

: Often indicates a "Region Free" or specific release group tag.

: Confirms the platform is Nintendo Switch and the file format is .nsp (the standard format for digital Switch software).