"Salt lines?" Arthur repeated the words back slowly. They were written as clear as anything and he couldn't mistake what he'd read over twice now, but the words still made little sense to him. Then again, so did half of the things she just wrote, those were the only two words strung together he recognized that made little sense. He'd ask her what an AC was later. Salt lines, however, just made no sense. And in his imagination a line of salt was not exactly a hard thing to fix, though why one would draw one in the first place eluded him.