You're saying the description of how a windmill works is not a description of a windmill, while the description of how the array works is a array. How is that

You're saying the description of how a windmill works is not a description of a windmill, while the description of how the array works is a array. How is that true? Isn't a description a model [1], never the thing itself? [1] http://en.wikipedia.org/wiki/Conceptual_model http://en.wikipedia.org/wiki/Conceptual_model