You and some of your friends decide to take a rowboat out to the lake. Each time another person steps into the boat, what happens to the boat? Why?

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

C) they are specialized meaning they are designed to do different things

The answer to this would be choice b (diplod)

Yes yes yes very good