Handler
↔ Callback to run in response to Event Trigger
Dependency
↔ any Variable local to FC Scope to control Hook Trigger
Event Listener
↔ function to await Event
& on Signal Trigger, call Event Handler
Event
↔ Interface Object to rep actions, autogen by DOM Node
after Signal Trigger
Deps Array
↔ Deps[] to pass as last arg to Trigger Hook
error.tsx
↔ ( Next 13 ) Page to export default
UI on Trigger Error Boundary
loading.tsx
↔ ( Next 13 ) Page to export default
loading UI on Trigger Suspense Boundary