: Indicates the video resolution is Ultra High Definition (3840 x 2160 pixels) , which requires significantly more storage space than standard 1080p files.
: A leetspeak (encoded) version of "Black Panther: Wakanda Forever." Encoding names this way is a common tactic to avoid automated copyright detection filters. Bl4kP4nth3rW4k4nd4.4K.yamil.part22.rar
: This signifies that the original large movie file has been split into at least 22 smaller volumes (multi-part archive) to make uploading and downloading more manageable. : Indicates the video resolution is Ultra High