: The source of the video. This indicates the file was ripped from an official Blu-ray disc, which usually ensures better color accuracy and less visual "noise" than a TV broadcast rip.
: This is the "tag" or "signature" of the group or website that encoded and uploaded the file.
: The total size of the file. For a 480p episode lasting about an hour, 400MB is considered a high-quality encode.
: The file container (Matroska). MKV files are popular because they can hold multiple audio tracks, subtitle files, and chapters in a single file. Release Info
: The video compression codec used. H.264 (or x264) is the industry standard for high-quality video encoding at efficient bitrates.