I actually mean 2D and 3D, with 4D and 5D (What is this screaming I hear?) being sort of extras that become possible with the then existing framework :b
And yet again, you fail to specify that you mean 4d/5d spacial dimentions. If a shape has mass, and a coofficient of friction and a colour, and a err .. shape, (assume round) and a position thats 9D What I meant was "A nothingness where everything that is or everything that could have been, can never be or will never be." Pure nothingness, no laws of physics, no nothing.
Athough I was a bit flippent about it. This is what was there before the Universe. When the Big Bang happened the first thing it did was create the Space for it to happen in. Before that there was no Anything, where nothing that was or anything that could have been. There was Pure Nothingness, includeing nowhere for the Nothingness to be, no laws of Physics, no anything. Including Time.