Dual audio tracks. The file includes both the original English dialogue and a Hindi dubbed version.
This stands for "Web Download." It means the file was losslessly ripped from a streaming service (like Amazon or iTunes), generally providing better quality than a "WebRip." Dual audio tracks
The film is famous for featuring the first-ever fully computer-generated (CGI) character in a feature film—the stained-glass knight. File Technical Specifications which allows for multiple audio tracks
Based on the file name provided, here is what each part of the string indicates: Dual audio tracks
Check the critical reception and "Certified Fresh" status on Rotten Tomatoes .
The "Matroska" video container format, which allows for multiple audio tracks, subtitle tracks, and chapters to be held in a single file. Where to Find More Info