In the context of torrenting and scene releases, "Deep Feature" isn't a standard technical term, but it usually refers to one of the following:

: This refers to the specific internal revision number of the game build from the developers (KING Art Games).

If you install this specific build, you are generally looking at:

Always ensure you are using a trusted source when handling .torrent files of this nature, as repacks from unknown origins can sometimes contain unwanted software or scripts.

: Occasionally, specific uploaders use unique phrasing to distinguish their "feature-rich" version of a repack from basic installations. Key Features of this Version

: This indicates the game files have been significantly compressed to reduce the download size. Once you run the installer, the files "unpack" to their original size on your hard drive. What "Deep Feature" likely means