: Indicates that the file includes subtitles . This often means hardcoded subtitles (burnt into the image) or an embedded subtitle track.
This specific string is most commonly found in the metadata of media servers (like Plex or Jellyfin) or on file-sharing platforms. Release groups use these tags so that users can instantly identify the quality, source, and language features of the file without having to open it.
: Short for Blu-ray , indicating that the source of the video is a high-definition Blu-ray disc rather than a television broadcast or DVD. 720p : The video resolution, specifically pixels. It is considered standard High Definition (HD).
: Typically a database index or internal tracking number used by a specific release group or library.
: The file extension. MPEG-4 Part 14 is a digital multimedia container format most commonly used to store video and audio. Context and Usage