OptionalgeometryThe data source for the place's geometric shape.
It is present on search results for places with geometric representations (type === Geography or POI).
Use its ID to fetch boundary polygons from the Geometry Data service. A reverse geocoded place
has none. To get one, search the place by name with its geographyType.
OptionalpoiThe data source for detailed POI information, present only for POI places (type === POI).
Use its ID to fetch extended details from the Points of Interest Details service.
The data sources for fetching more information about a place.
Remarks
It tells you which additional data is available for a place, and gives the IDs that services need to fetch it.
Example