The deepest root is perception — the Archimedean point.
You cannot get outside it (wall). So everything starts here.

The actual relations between concepts are in the graph on the front page. This list and that graph come from the same notes.

The spine, in one line

perception → distinction → projection → grounding → computation → the computer

Branches

Root

Distinction — to perceive is to divide

Projection — what is inside, put outside

Grounding — what was put outside, re-attached inside

Computation

Not yet placed