- Administrative hierarchy consists of administrative areas and locations.
- Administrative areas form the jurisdictional hierarchy of a country.
- Administrative area may contain locations.
- Locations are specific places like offices or health facilities. Locations do not form independent hierarchy outside of administrative areas.
- All users must belong to a location.
- Type of a location is arbitrary*
* Until 2.0 is completed, field type FACILITY renders locations of type HEALTH_FACILITY.