: Likely refers to a specific episode number or a version identifier for the encode.
: Indicates this is a split archive. You need all associated parts (part1, part2, etc.) in the same folder to successfully extract the full video file using software like WinRAR or 7-Zip. Important Considerations
: Confirms the video resolution is Ultra High Definition (3840 x 2160).
Files with these naming structures are frequently associated with unauthorized sharing of copyrighted material. Because the name is heavily abbreviated, it is difficult to confirm the exact "feature" title without more context from the source where you found the link.
: Signifies the source of the content was a streaming service or digital web platform rather than a physical disc.