: This identifies the file as Season 3, Episode 7 of the sitcom Call Me Kat .
: This is likely a "tag" indicating the release group (e.g., "LEGION" or "LEG") that encoded and uploaded this specific version of the video. Context of Use This format is most commonly found on:
When you click a download link for a specific file, the server generates a landing page to verify the request before starting the transfer.