Bullet.train.2022.pl.bdrip.x264-k83.mkv Here

: This refers to the video codec used to compress the file while maintaining high quality. It is a standard for high-definition video.

: The "tag" for the specific release group that encoded and distributed this version of the film. Bullet.Train.2022.PL.BDRip.x264-K83.mkv

: Short for "Blu-ray Disc Rip," meaning the source was a physical Blu-ray disc. It generally offers better visual fidelity than "WEBRips" taken from streaming services. : This refers to the video codec used