: The source of the video, meaning it was downloaded directly from a streaming service (like Netflix, iTunes, or Amazon) without being re-encoded, preserving high quality.
: The Matroska Multimedia Container, a common file format that supports multiple audio and subtitle tracks. Mad.Heidi.2022.PL.WEB-DL.x264-K83.mkv
: Likely indicates that the file includes Polish (Polski) audio or subtitles. : The source of the video, meaning it
: The video compression standard used (H.264/MPEG-4 AVC). : The source of the video