Reasoning is the ability to create meaning through explanation. This is also similar to predicting. Again, reasoning doesn't have to be correct, it only has to be a concept. Intelligence is the ability to judge better or worse via reasoning. This is the crux.
Communication is to convey meaning over language, which is arbitary.
It's relative and arbitrary. It's thhat the purpose of communication is different than that of meaning and concepts. Life desires sameness, but exists only in a world of difference. Life desires sameness, but existence is only difference. If there only sameness, there is nothing.