Imagine a flick force. Standard ho stack setup.
3 slashes across for a viable break look. 2 starts making a deep cut which is also viable.
2 comes back under and gets an in-cut. The 4 is very situational and needs to react to the play. In this diagram, the 4 sees that the cut is coming somewhat close to the sideline and will push upfield and then clear to the breakside (that clear is very much after the 2 gets past the 4 so that there isn't a pick). If the 2's in-cut is closer to the center of the field, it's viable for the 4 to stay on the open side.
1 is the next primary look, whether deep or under. Generally just flow from here.