The electric shock is the invisible force felt suddenly — the current in what looked inert, the jolt that seizes and releases. It names the hidden live things: the topic, the person, the wire that carries more charge than its appearance warned. The shock teaches what not to touch bare-handed.
Positive Resonance
The live thing identified, the current respected henceforth
Shadow Aspect
The unexpected jolt, seized by the hidden charge, the short circuit
Nuances
The live wire: the inert-looking carrying charge
The seizing jolt: the current that holds before it releases