I really don't get a sense of what NiDIUM actually _does_. Is it a framework? A platform? A library? Where does it run? How am I supposed to deploy it? Wh

I really don't get a sense of what NiDIUM actually _does_. Is it a framework? A platform? A library? Where does it run? How am I supposed to deploy it? What use case does it solve that doesn't already have existing solutions?