Riz.part12.rar -

A satirical take on modern slang, suggesting a massive, compressed manual on human social interaction that is too large to download at once.

Information that only makes sense when the "whole" is restored. riz.part12.rar

This sounds like a very specific file name, likely part of a split archive (like a WinRAR set). "Deep" can mean a few things in this context— A satirical take on modern slang, suggesting a

You cannot extract Part 12 without having Part 1 through Part 11 (and any subsequent parts) in the same folder [1, 2]. A satirical take on modern slang