One creates pictures in the mind by not telling everything.

I'm totally with Wolfgang on that. It's the same with oral storytelling - I remember Dan Keding, I think it was, saying how important it was to avoid tying down the details, so thatbteh listener provides their own.

"There was a man..." is the way a story teller introduces the protagonist, rather than "John Brown, a tall man in a shabby suit with a shock of dark hair..."

And I even lke ambiguty about what actually happens in a song, so you have to make up a story to fit the pictures. That's what Dylan is the master of.