Wgr.1015.720p.yourserie.com.mkv -

: This often refers to an episode or season/episode combination (e.g., Season 10, Episode 15).

: A promotional tag for the website where the file was originally hosted or distributed. wgr.1015.720p.yourserie.com.mkv

: This is likely a "Release Group" tag, identifying the team that encoded and uploaded the file. : This often refers to an episode or