This usually refers to the "release group" or the source (possibly a specific streaming service or regional broadcast). 1920x1080: The resolution, commonly known as Full HD .
The video codec (High Efficiency Video Coding, also known as H.265 ), which provides high quality at smaller file sizes. AAC: The audio codec (Advanced Audio Coding). [ ] - 21 (B-Global 1920x1080 HEVC AAC MKV) [DAB...
Likely the episode number or a part of the series title. This usually refers to the "release group" or
The file container format (Matroska Video), which supports multiple subtitle and audio tracks. also known as H.265 )
It looks like you’ve shared a for a video, likely a movie or TV show episode. Based on the formatting, essay: This is typically the title of the content.