Locality:
For locality creation, its pincode, city, state and country name is assign first or create first.
City:
City is the part of state and for this the state and country or region is created first.
States:
The States is the part of country so for the creation of state, we have to define country first.
Country:
The country or region is useful when we assign locality, cities and states.
See Also: Tax Type | State-Wise tax.