What process releases carbon dioxide back into the air

The Carbon Cycle is the process releases carbon dioxide back into the air

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

Sorry i was trying to figure out the answer to your question. but can't sorry