Text is not the oldest - nor easiest to use -, text is a heavy abstraction born somewhat recently in human history. The oldest and easiest is the visual in 3D, then comes the visual in 2D. Those exist since we have eyes. Our brain have dedicated and sizeable infrastructure for that. Children can communicate in 3D (gestures, posture, expressions, objects) and in 2D drawings before learning textural communication with…
I cannot see in visual 3D. If anything I can see in strictly bigger than 2D. (a flat 'screen' with a tinge of depth perception, which I fear I don't make much use of when I spend most of my time in front of a flat 2D computer screen)