14467-br1080p-subs-thebansheesofinisherin.mp4 -

: Likely H.264 (AVC), which is standard for MP4 files of this type.

: The resolution. It confirms the video is High Definition (1920 x 1080 pixels), which is the standard for modern high-quality viewing. 14467-BR1080p-SUBS-THEBANSHEESOFINISHERIN.mp4

: 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. : Likely H

To understand what you're looking at, you have to "read" the file name from left to right: : Likely H.264 (AVC)