'Plan' in the Bible

So King Ahaz went to meet Tiglath-Pileser the king of Assyria [in] Damascus, and he saw the altar which [was] in Damascus, so King Ahaz sent to Uriah the priest the builder's plan of the altar and the {exact model of how it had been made}.

Certainly you must have heard! Long ago I worked it out, In ancient times I planned it; and now I am bringing it to pass. The plan is this: Fortified cities will crash into heaps of ruins.