You can watch the official trailer on YouTube or view more details on its IMDb page .

Indicates high-definition resolution (1920x1080 pixels).

In the context of release groups, "Proper" usually indicates a corrected version of a previous release that may have had technical issues (such as audio desync or visual glitches).

The specific formatting of the text you provided is typical of digital media file naming conventions:

Signifies the content was losslessly downloaded from a streaming service like Netflix, rather than being re-encoded from a physical disc.