That's a lot of different kinds of definitions, some overlap, other disagree. Seems to me a similar problem with naming and categorizing -- whether it is someth

That's a lot of different kinds of definitions, some overlap, other disagree. Seems to me a similar problem with naming and categorizing -- whether it is something useful (as a framework for thinking through things), or for communication. They all create biases in how we see things, and it isn't as if it is something intrinsic to the known universe says, that is a city.