"BollyFlix" is the name of the group or site that uploaded/encoded the file, and ".mkv" (Matroska) is the video container format that allows for multiple audio and subtitle tracks in one file.
This is a "Dual Audio" file. It contains the original Kannada audio track as well as the Hindi dubbed version. You can usually toggle between these in your media player's audio settings. "BollyFlix" is the name of the group or
This stands for "Web Download." It means the file was losslessly ripped from a streaming service (like Netflix or Amazon Prime). These are generally much higher quality than a "CAM" (theater recording) or "HDRip." "BollyFlix" is the name of the group or