: This indicates that the full episode was split into several compressed archive parts (RAR files) to make it easier to upload or download. You would need all parts (part1, part2, etc.) to extract and watch the video.
: This is the tag for the release group or individual who ripped and encoded the file. TLOS.S01E01.HMAX.4K.HDR..DxM.part3.rar
: This is the abbreviation for the show title, most likely The Last of Us . : This indicates that the full episode was