The audio format (AAC) which supports 5.1 surround sound.

These are the names of the sites or groups that likely uploaded or encoded the file.

The video compression codec used to make the file size manageable while keeping quality. ESub: Includes English subtitles.

This appears to be a file name for a high-definition, multi-language version of the 2009 movie Avatar . The movie title and its original release year.

This version includes additional scenes not shown in the original theatrical release. 720p: The video resolution (1280x720 pixels).

The source of the video is a high-quality Blu-ray disc.