A wide-open iris in direct contact with the live field — the world through it sharper, faster, and more saturated than the world beside it. Nothing between. Nothing kept.
Zone B · stack position
Click any position to see how contact changes hands — from the dominant's zero-lag lock to the trickster's confident sightings of things that were never there. Watch the catch rate decay down the stack. Drag the maturity slider to watch the lower positions steady with age.
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With age, lower stack positions gain fidelity, duty cycle, and a steadier gaze.
Zone C · feeder coupling
Extraverted perception is fed by introverted judgment — Se's real partners are Ti and Fi, the inner judges that tell the eye what matters. Click a feeder and watch salience reorganize.
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Zone D · the contact lab
Se is a contact instrument: its quality is measured in milliseconds-to-lock and openings used, not in conclusions. This lab runs the eye against a live field you control. Slide the intensity from empty room to street carnival, spawn events, and note which end of the slider reads as the emergency.
Zone E · energy economics
Every invocation of Se costs energy. The lower it sits in the stack, the more expensive it becomes. Note the frequent small notches in the dominant curve: contact pays back in the moment, continuously. Note also which way the grip runs here — a collapsed Se-dominant does not get more Se, it floods into inferior Ni.
Zone F · field notes
Patterns from the wild — how Se shows up in daily life.
Mid-game, an ESTP sees the defender's weight shift a half-second before the lane opens, and is already moving. Asked afterwards how they knew, they say they saw it — which is the whole answer. There was no inference to report. The perception and the move were one event, and the interview about it is the first part that costs effort.
An ESTP under pressure pairs dominant Se with tertiary Fe: the room's reaction becomes the only instrument, and every stunt buys the next one. Ti's quiet question — is this actually a good idea? — is the function the loop exists to avoid. From inside it feels like being on; from outside it looks like escalation.
An ESFP past the end of their reserves stops perceiving and starts foreboding — sudden grim certainties about what it all means and where it is heading, delivered with none of dominant intuition's craft. Not a personality change: a low-capacity chamber taking a dominant-sized flood.
Same element, opposite attitude — and the difference is what happens to the moment. Se rides it: full resolution, zero lag, nothing kept — the world as a place to act. Si banks it: metered intake, compared against every layer it has ever laid down — the world as a place to recognize. One is water that looks; the other is water that keeps. Se trades the record for the moment; Si trades the moment for a record no moment can take away.