If you are looking for subtitles for this specific file version, here is what the naming convention tells you: High-definition resolution (1920x1080 pixels).

The video compression codec used (standard for high quality and compatibility).

Often has versions curated by users for specific rips. Addic7ed: Good for hearing-impaired (SDH) versions. How to Use Them

The source material used for the digital encode was a physical Blu-ray disc.