Generally I used a word directly in the node name to help you find stuff, so if it feels like you are missing nodes or you aren’t sure which nodes you need check the prior post. If you get stuck post an image of your canvas, using the ideal process to export your workspace as an image.
Yes. Geometry.Transform. Use the version with two coordinate system inputs. The first will be your coordinates, the second the identity coordinate system.
Nothing moves, this would just change the order.
Yes, as the lines exceeding your threshold are no longer in the list thanks to the filter.