1) What are the two parts of the nervous system?
and
central
peripheral
radial
bilateral
unilateral
axial

B. would complete your answer. give me brainliest!

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