That filename appears to be a specific video file identifier
-2-: Indicates the file is a fragment. Large high-definition videos are often split into smaller parts (e.g., Part 1, Part 2) to facilitate easier downloading or to bypass file size limits on specific storage drives (like FAT32).
If you're concerned about the privacy of your files, consider encrypting them. Tools like VeraCrypt or BitLocker can help protect your files from unauthorized access. FHD-ARCHIVE-SONE-448 -2-.mp4
The filename FHD-ARCHIVE-SONE-448 -2-.mp4 appears to refer to a specific video from a fan-compiled archive related to the South Korean girl group Girls' Generation (also known as SoNyuh ShiDae or SNSD).
or group mentioned in the video if you can provide a screenshot? That filename appears to be a specific video
IINA (for Mac users): A modern interface that handles high-bitrate MP4 files efficiently. 3. Merging Split Files
Why not just name it "Vacation_Video.mp4"? For large-scale digital libraries, standardized naming is essential for: Privacy Considerations If you're concerned about the privacy
If you are managing an archive or just downloaded a file with this naming convention, the best practice is to keep the filename intact. Changing "SONE-448" to something generic might make it easier to read today, but it breaks the link to the original database, making it nearly impossible to find updates or related parts (like "-1-" or "-3-") in the future.