Those are of different language trees and are unrelated, though some researchers have tried to claim that Chinese and other Asiatic languages share a common ancestor with these, it's not widely accepted and nearly impossible to prove.
Old World likely referring to Europe. Except they had to include Middle East and South Asia, because it's the same language tree.
Notably there's no Georgian, because it's also it's own language tree but is not in Europe. But the Caucasus is part of the old world. And Georgia is a candidate country for the EU.