The building block/ monomers of all lipids are but to build a triglyceride you will need what additional piece? look up triglycerides in your notes to find their shape:

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

Sure thing, i’ll you