These are tags associated with the specific groups or websites that uploaded or "re-encoded" the file for distribution. Cast and Production
This is a compressed file size, likely optimized for mobile viewing or quick downloads. These are tags associated with the specific groups
The specific string you shared contains metadata often found on file-sharing and torrent sites: These are tags associated with the specific groups
The Matroska Multimedia Container format, which supports high-quality video and multiple audio/subtitle tracks. These are tags associated with the specific groups