The index types are:
Geo: Geographic entities (countries, states, cities, neighborhoods)PAD: Point Address - Specific street addresses with building numbersAddr: Address Range - Street segments with address rangesStr: Street names without specific addressesXStr: Cross Streets - Intersections of two streetsPOI: Points of Interest (businesses, landmarks, facilities)
An index, which is the category of place data to include in search results.
Each index type returns a different kind of location information.