: This indicates the specific episode: Season 7, Episode 1 , titled "The Day Will Come When You Won't Be".

This is a famous and controversial episode of the series. It picks up immediately after the Season 6 cliffhanger, revealing which member of Rick Grimes' group was killed by the villain Negan and his barb-wired bat, "Lucille."

: The source of the video was a high-definition television broadcast.

This string is a specific filename for a digital video file.

: The title of the television series ( The Walking Dead ).

: The name of the website or group that uploaded or "encoded" this specific file.

: Likely a truncated version of .mkv (Matroska), which is a common container format for high-quality video files.