I think it's also bound to human sensing limitation. Generally speaking, UI seems to suffer from unable to present many things at a time. We have the concept of

I think it's also bound to human sensing limitation. Generally speaking, UI seems to suffer from unable to present many things at a time. We have the concept of pagination, column, tab, collapsible thing, navigation just because many things can't be presented and comprehensible at the same time (I mean space)