Short for "Dual Audio," meaning the file contains two separate audio tracks, typically the original English and another language (like Hindi).
The video resolution, indicating Standard Definition (SD) with 480 vertical lines of pixels.
The title of the 2016 action thriller directed by Peter Berg.
The Matroska Multimedia Container format, a common file type that can hold multiple video, audio, and subtitle tracks in one file. About the Film: Patriots Day
