720p.mkv -

: These are common external or internal subtitle formats.

: MKV containers can hold rich text metadata, including title, source, and chapter information. 3. Media Information (Technical Data) 720p.mkv

GeiserX/jellyfin-encoder: Automatic 720p HEVC/AV1 ... - GitHub : These are common external or internal subtitle formats

: Filenames often use - 720p as a suffix to distinguish them from 4K or 1080p versions. 720p.mkv

In media server software like or Emby , specific text tags are used to organize versions of the same movie or show: