: This is likely a release number from a specific "scene group" or a local database ID used to catalog the movie.
: This double extension usually suggests the file was converted (transcoded) from the older AVI container to the more modern and widely compatible MP4 format. The Movie: A Masterpiece of Weird 4313 - RANGO - 2011 - DVDRip - 720x304.avi.mp4
: This represents the resolution. While it is wide (2.39:1 aspect ratio), it is technically standard definition, common for "rips" meant to save space while maintaining the film's original cinematic width. : This is likely a release number from
: Indicates the source material was a physical DVD, typically ripped to a digital format after its home media release in July 2011. it is technically standard definition