: The video codec used. While older than modern standards like x264/x265, XviD was once the industry standard for AVI files. AC3 : The audio format, specifically Dolby Digital.

Groups like and ETRG (ExtraTorrent Release Group) function as organized entities within the "Scene." They have internal hierarchies, including:

: For many, these files represent the only way to access media in regions where certain films aren't legally available.