Subtitle — Avatar.ece.2009.720p.brrip.x264.bitlok...

This is likely a "release tag" or the username of the individual or group who encoded and uploaded this specific version of the movie. Subtitle Compatibility

The video resolution (1280 x 720 pixels), which is standard high-definition. subtitle Avatar.ECE.2009.720p.BrRip.x264.bitlok...

The string refers to a specific digital release of James Cameron's 2009 film Avatar . Each part of this label provides technical details about the video file: This is likely a "release tag" or the