Overtaking is one of the most challenging parts of racing. Being able to set someone up, get in there and get the pass done cleanly. In my opinion, a large part above overtaking is about respect between the two drivers.
Can the overtaking driver give the guy he wants to pass enough room for them both to survive? Can the driver being passed position himself in a place that allows both cars to make it through the corner, even if they are fighting for the space?