2) In Matthew Richie’s quote I think he is trying to talk about the structures of line and properties of how line can be structured. Then, Ritchie’s is trying to use it as a symbol when it comes to using a straight line since it can represent the direction and the curve can mean to join things. I also see it as if his trying to express that using straight lines can me more harmful when constructing it and it the other hand, curved lined can be more kind.
3) In the Man with Briefcases drawing by Borofsky the lines are being used to show us an advertisement