Earlier quoted context omitted.
Maybe you have aphantasia as well. I had without knowing it. Some observations: Someone told me to close my eyes and think about "an apple at a table". Then I was told to open my eyes and tell what color the apple was. The question didn't make sense to me: I only thought about about the concept of "an apple on a table". When my eyes are closed it is black. Absolutely black. Blacker than a Norwegian winter night with…
Are you trying to help them believe?
I'm at least pointing out that I now know personally that there are multiple levels of visualisation, from me just "feeling" what it would mean to rotate a 3d object (it works, I can absolutely determine if it will fit but it is absolutely not visual) up to some close friends of mine that see vivid pictures of faces and can combine them with eyes closed.
For me who cannot see images except what I physically see it certainly is interesting to hear people describe remembering peoples phone numbers as text that they can see (I remember the feeling of myself saying it, not the sound) or memorising my name by mentally putting the image of ne next to their image of their brother who has the same name as me (!)
It really is funny, because I can draw. For example the famous "draw a bike" thing seems weird to me because I can't see myself making any of the mistakes from any of the drawings. Not because I can see a bike, but because I know it.