Measurements
He had to consider that the directions were by someone whose sense of direction was terribly skewed. If she said that she was 10 feet from the door, it was possible that she was on the opposite side of the room, though it could also be true that she was right inside the threshold. If she said turn left in 30 yards, you would most likely pass the turn and have to pull at least two U-turns.
She had a hard time understanding the concept of yards, feet, inches, and miles. Instead she tried to stick primarily to generalities: a little bit, just up head, a brief distance, near enough. She said it was always because she had been more disposed to dealing with letters than numbers.
