The file extension (Matroska Video). It is a "container" format that holds the video, multiple audio tracks, and subtitle files all in one. A Quick Warning
The video compression codec used. It’s the industry standard for high-quality video at relatively small file sizes. The file extension (Matroska Video)
This indicates Dual Audio . Usually, this means the file contains two audio tracks (e.g., the original Tamil audio and a Hindi dub) that you can switch between in your media player. multiple audio tracks
This stands for English Subtitles . The subtitles are usually "hardcoded" (burned into the image) or "softcoded" (selectable in the menu). The file extension (Matroska Video)
These sites often hide viruses in "Download" buttons or the files themselves.