If you were to dig into the metadata of this specific MP4, you would likely find information about the used:
: This is likely an internal tracking ID or database number used by a specific release group or a private torrent tracker to organize their massive libraries. 14467-BR1080p-SUBS-THEBANSHEESOFINISHERIN.mp4
: This indicates that subtitles are either "hard-coded" (burned into the video) or included as a separate selectable track within the MP4 container. Given the thick Irish accents in The Banshees of Inisherin , these are often considered essential by international viewers. If you were to dig into the metadata