4051-br720p-subs-saw2.mp4 «FHD»

: The title of the movie, the 2005 sequel in the Saw franchise.

: Often a internal tracker ID or a specific release group code. 4051-BR720p-SUBS-SAW2.mp4

It looks like you're referencing a specific video file, likely for the horror movie . Based on the file naming convention, : The title of the movie, the 2005

: Indicates the source is a Blu-ray rip with a resolution of 1280x720 pixels . : The title of the movie