This text appears to be a , likely from a torrent or digital download source.

: Stands for "Web Download," meaning the file was losslessly ripped from a streaming service rather than recorded (WebRip). DD : Indicates the audio format is Dolby Digital .

: Short for Amazon, indicating the source of the video was Amazon Prime Video .

: The resolution of the video (720p High Definition, "m" often stands for a "micro" or compressed rip).