const school  = "Stanford University";
let   balance = [code, manufacturing, art];   // the tightrope
let   home    = "Donostia | San Francisco";
function line(seed) {                 // a production line that makes originals
  const piece = system(seed);         // same seed → same piece
  keep(one); discard(rest);           // the essence is in the discard
  return shadow(piece);               // what's visible is only the residue
}