How does technology affect communication

technology is a key factor for the development of communication.nowadays a lot of technology helped us for better communication.if technology wasn't there communication will be much harder.today we use smartphones to satellite phone for communication.

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