Dwa.czt3r7.07e14.pl.720p.bluray.x264-psejta3.mkv -

: This indicates it is Episode 14 of the series (or potentially Season 7, Episode 14, depending on the uploader's indexing; however, "07" often acts as a volume or season marker in some older archives).

: The "release group" or individual uploader who encoded and shared the file. Dwa.Czt3r7.07E14.PL.720p.BluRay.x264-psejta3.mkv

: The Matroska container format, which allows for multiple audio tracks and subtitle streams in a single file. How to Use This File : This indicates it is Episode 14 of