Gunday 2014 480p Hdrip.mkv -

The Matroska Multimedia Container. This format is popular because it can hold multiple subtitle tracks and audio streams in one file. ⚖️ Content & Safety Note

If you are looking at this specific filename, here is what the technical terms mean: Gunday 2014 480p HDRip.mkv

Distributing or downloading movies via file-sharing sites (often indicated by filenames like "solid post") typically violates copyright laws. The Matroska Multimedia Container