This text refers to a specific file fragment from a high-definition movie release. Based on the naming convention, here is what it represents:
: This describes the video quality and encoding. It is a full HD rip (1080p) from a Blu-ray source using the x264 codec. Krzyk.4.2011.MULTI.BluRay.1080p.x264-LTN.part5.rar
: This indicates that the full movie has been split into several compressed "RAR" volumes for easier uploading/downloading. You would need all the other parts (part1, part2, etc.) to successfully extract and watch the video file. This text refers to a specific file fragment