If you’ve ever wondered why companies and other organizations and communities end up with their own jargon, take a look here:

See this article at CNN…
Deaf children thrown together in a school in Nicaragua without any type of formal instruction invented their own sign language — a sophisticated system that has evolved and grown, researchers reported on Friday.

I think this throws a lot of light on how powerfully gathered humans can come to shared understandings with some kind of language, even if they have to invent it themselves.