Mutations within the DNA sequence of an organism can- a) result in alterations that are harmful to an organism

b) result in alterations that do not affect the organism

c) all of the above

d) result in alterations that are helpful to an organism

b) result in alterations that do not affect the organism

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