I remember seeing Dune in the theatre, but what I remember more was being handed a single sheet glossary on my way in that explained all the characters and what

I remember seeing Dune in the theatre, but what I remember more was being handed a single sheet glossary on my way in that explained all the characters and what they were about. https://www.giantfreakinrobot.com/scifi/dune-confusing-1984-audiences-universal-handed-cheat-sheets.html https://www.giantfreakinrobot.com/scifi/dune-confusing-1984-... Test screenings gone bad? Nervous studio? Was the glossary itself an experiment? I never found out.