This refers to the vertical resolution: 1920 x 1080 pixels (progressive scan). While 4K is now common, 1080p remains the "sweet spot" for bandwidth and storage.

However, from an archival perspective, releases like this serve a legitimate purpose:

Here’s a detailed write-up for the release titled — tailored for a torrent or release description context, but written in a clean, informative style.

The technical string in your keyword describes the specific quality and source of this file: