Suppose the scientists as found each fossil in a rock formation that has not been distributed by other geologic processes. whatcha diagram represents the most likely relative location of each fossil in the rock formations

Where are the following

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