[Well, since she can at least see her goal, she's gonna start walking. Thankfully, she's tiny, so even if she's powerwalking it shouldn't be a struggle for Tatsuma to keep up.]

Umm... let's see. It's really big! [Helpful.] There's a bunch of big cities all over, little towns in between. Gramps' thing has been getting a railroad built so you can get aaaaaall over the Empire by train! There are some big noble families that run the provinces, but they don't have near as much power as they used to since the war...