It's the usual map / territory or model / reality difference. If you've ever heard or said the Box-ism "All models are wrong, but some are useful" you've been i

It's the usual map / territory or model / reality difference. If you've ever heard or said the Box-ism "All models are wrong, but some are useful" you've been introduced. Some practice with it may even be a good intro to some veins of actual postmodernism (as opposed to piñata postmodernism which is mostly stuffed with straw by people who like hitting it).