: Indicates the source of the video was a commercial DVD. These are generally higher quality than "CAM" or "TS" (theater recordings) but lower resolution than a Blu-ray rip (BRRip).
: Likely an internal indexing number or ID used by the specific database or uploader where the file originated. 4313 - RANGO - 2011 - DVDRip - 720x304.avi.mp4
: The title of the movie and its theatrical release year. : Indicates the source of the video was a commercial DVD
Be cautious when downloading or opening files with double extensions (like .avi.mp4 ) from unknown sources, as they are sometimes used to disguise malicious software or "fakes" that don't contain the actual movie. : The title of the movie and its theatrical release year
: The resolution (width x height) of the video. This is a standard widescreen aspect ratio for Standard Definition (SD) content.
: This is a "double extension." It suggests the file may have been converted from an older .avi format to the more modern .mp4 format, or it could be a naming error.