The "release group" that encoded and distributed this specific version of the file.
Tommy continues his dangerous alliance with Oswald Mosley, the leader of the British Union of Fascists, while trying to maintain his position in Parliament. Watch Peaky blinders s05e03 hdtv x264-brisk-1
The string you provided is a specific release name used in file-sharing communities: Season 5, Episode 3. The "release group" that encoded and distributed this
The source was a high-definition television broadcast. x264: The video codec used for compression. Watch Peaky blinders s05e03 hdtv x264-brisk-1