bottom-down/top-up or top-bottom up-down or top-down bottom up -
whatever combination they like to say.
I wouldn't call them illusions but perspectives. It's
cognitively difficult to comprehend or explain "ings" referring
to subject and object and their relationships properly in ANY
language without sounding strange. Our languages aren't build
that way very well. Just because something's hard to describe
doesn't make it any less valid.