"You know," he said brightly, with a zeal and ego that would likely remind her of Certain People In Blue Boxes, "I'm so glad you asked. Architects are eternal beings who build the Neighborhoods that human souls live in after they've died. I used to build whole towns out of the fabric of the nine dimensions. Gorgeous stuff, too. I was particularly proud of Attempt 784. I think I got the smell of the air perfect in that one."