From point a to point b, the car will
from point b to point c, the car willes
assuming the washer on the car is not blocked by the
book, once the car hits the book, the washer will still
have
this experimental design will examine newton's
law

Are you asking about a street map usage  if so here is your answer  a street map for a very limited area could simply be a bit map or a .jpg image.  but a more general map would probably store the streets as vectors.  but you shouldn't assume that there is one way to do it