Gold thread — the octave, do to do, one turn per level
Bright climber — a process ascending; watch it stall at the two intervals
Flashes at 3 and 6 — the shocks that carry it across
Gold runner on the triangle — the Law of Three: do → 3 → 6 → next do, climbing in unison with the spiral
Pale comet — the inner circulation: it jumps ahead, then returns — every return landing exactly as the climber arrives