First things first: girls, it is something architectural. If this update doesn't clue you in, know that the one after this should definitely help a great deal as this design will begin to really take shape by then, even though I'll be far from done *g* Of course, everyone's still invited to try and figure out what it can be ;-)

The change of color scheme in the second picture may appear quite strong, but with new elements being added a little later, it should make sense