Apoint of contact between two bones between bone and cartilage or between bone and teeth is called

The answer for this should be articulation, but it could also be joint or arthrosis. All three pretty much mean the same thing.

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