Which of the following is NOT a characteristic that prokaryotic and eukaryotic cells share? 1 cell membrane
2 DNA
3 ribosomes
4 nucleus

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