: Likely refers to Season 1, Episode 3 ("Second of His Name").
: The file extension for the Matroska Multimedia Container , which can hold multiple video, audio, and subtitle tracks in one file. Content Summary tfpdl-hotd10372x.mkv
: A common acronym for the HBO series House of the Dragon . : Likely refers to Season 1, Episode 3
If this file is indeed House of the Dragon S01E03, the "paper" or summary of the episode includes: : Likely refers to Season 1
: A shorthand for 720p resolution, often using the x264 or x265 (HEVC) video codec for compression.