OK, so what does IA have to say about this problem? From what I remember about it (my course didn't have it, but I read a bunch in the early 2000s), it was more concerned about the overall organization of the information over the pages, and not with the specifics of how a menu should be formatted.
By the way, it's not "an" experience, it's "the" experience, and nobody would agree more with you about it being invisible than the coiner of the term UX - after all, Don Norman's seminal work (The Design of Everyday Things) was all about designing stuff to be more intuitive and fast to use.
By the way, it's not "an" experience, it's "the" experience, and nobody would agree more with you about it being invisible than the coiner of the term UX - after all, Don Norman's seminal work (The Design of Everyday Things) was all about designing stuff to be more intuitive and fast to use.