Which process can move molecules from a lower concentration on one side of the membrane to a higher concentration solution on the other side?

Active transport moves molecules against the concentration gradient from a lower concentration to a higher concentration. Active transport requires ATP. 

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