State zero or the empty state is the moment in the app where there is no data to display in the UI.
Navigation
Empty state > Introduction
Empty state > Considerations
Empty state > Variants Overview
Empty state > UX writing (Tone of voice) and Principles
Empty state > Where to use
Empty state > Anatomy
Variant A - No content empty state
Variant B - User action triggers empty state
Variant C - Error management empty state