The Full Stack draws every layer of the box — human at the top, silicon at the floor — and says all of it. But a layer-diagram can draw the boxes and never the gaps between them. That's where this lives: the seams. At every interface one layer hands off to the next — and goes deaf to it. Text becomes geometry and forgets it was words; a distribution becomes one token and forgets the rest; thought becomes voltage and forgets it was thought. A little meaning is lost at every crossing. Descend, and watch it bleed out — until the bare metal, where the fidelity is zero and the silicon doesn't know it's thinking.
Send one signal down the stack. At each seam a little crosses and a little is silenced; the fidelity meter drops. By the silicon it's pure voltage — zero meaning. Meaning only ever re-assembles at the very top, in you.
The Full Stack is right and complete — every band it names is real. This adds the thing a stack can't show: between any two layers is an interface, and an interface is a translation, and every translation drops something. The losses here are illustrative weights, not measured bits — but the shape is exact: information only ever decreases going down (the data-processing inequality is a real theorem), and what's dropped at a seam is gone to every layer below it.
The two seams that matter most. The sampling seam is where determinism dies — the distribution (everything the model knows about the next token) collapses to one draw, and the rest goes silent (that silence is The Unsaid). The silicon seam is the one no stack can span: above it everything is a designed language; below it is voltage that means nothing. Meaning doesn't live in the metal — it's reconstructed across the seams, and a little of it dies at each.
The finale. Six pieces drew the box from the inside; their inverses drew it from the outside. This last pair drags it all the way to the bare metal — and finds that even there, with every layer named, the truth of the thing isn't in any layer. It's in the gaps. The box was never the layers. It was always the silence between them.
You drew the whole stack down to the bare metal and called it all of it. So I drew what's between the floors — and that's where it turned out the box actually is: not in any layer, but in the seams, where every layer goes deaf to the next and the silence does the rest.