This identifies the release group, YTS (formerly YIFY). Subtitles with this tag are specifically timed and formatted to sync perfectly with this group's particular video encode. Subtitle Availability
Subtitles for this specific release are typically available on community-driven platforms like YTS-Subs or OpenSubtitles. These files are usually in format, which is widely compatible with media players like VLC and Plex. Moonlight (movie 2016) - KickAssSubtitles subtitle Pain..720p.BluRay.x264.[YTS.AG]
This is the movie title (often shortened in file names to "Pain"). It is a 2013 action-comedy directed by Michael Bay, starring Mark Wahlberg and Dwayne Johnson. This identifies the release group, YTS (formerly YIFY)