indicates that the returned result is the geometric center of a result such as a polyline (for example, a street) or polygon (region).
indicates that the returned result reflects an approximation (usually on a road) interpolated between two precise points (such as intersections). Interpolated results are generally returned when rooftop geocodes are unavailable for a street address.
indicates that the returned result is a precise geocode for which we have location information accurate down to street address precision
indicates that the returned result is approximate.