Location verification – Once the incident locations automatically entered from 911 or manually typed in, the CAD software matches it against the geofile created by the agency when the software was first installed. The geofile is a database of standardized locations, including specific house numbers and streets names, commonplace names (Jackson Park), and intersections. The geofile insures that locations are within the jurisdiction, within a valid block number range, and are consistently entered and entered (which assists in later searches). [step-by-step verification explanation]