I didn't mean the overview map.
the Multiple Asset Placer (M.A.P. for short) is a tool that allows you to place multiple scenery objects semi-automatically, via dragging a boundary box, which the game auto-fills with the selected scenery object.
Here is a video:
https://www.youtube.com/watch?v=R7oE5Bd9eDkPeople have mentioned using it before, at that, there was even an old thread about someone asking where it was, but they found it, so the question was never actually answered.
Sorry if I wasn't clear on that part.