Does an AI really understand? Or is it merely an illusion. But it could be argued that our understanding of concepts could also be an illusion.

From Storr-The Science of Storytelling: Everything is an Illusion: When you stub your toe and feel pain throbbing out of it, that, too, is an illusion. That pain is not in your toe, but in your brain.

Really, we are just experiencing the world from within our head. We don’t know what is really happening.

Colour is a lie.