Glossary of Georeferencing Terms

Geo-Reference

Noun: A data item that allows information to be linked to a specific geographical location.
Verb: To provide such a link.

Postcode

In the UK, postcode is an alphanumeric code that relates to a small number of postal delivery locations. More generally, any structured coding system used for the sorting and delivery of mail.

Grid reference

A set of coordinates which define a point location relative to a coordinate system in geographical space, typically a pair of values (for example latitude and longitude or easting and northing) but sometimes three (where the third dimension provides an elevation value).

Geographical Information System

A software tool that allows the management, mapping and analysis of information using its geographical location.

Digital boundary data

The set of computer-readable grid references necessary to describe the boundaries of geographical areas.

Spatial data linkage

The association of two or more items of information through a common geographical location.

Other Useful Glossary Links

• AGI GIS Dictionary [http://loi.sscc.ru/gis/defterm/agidict/welcome.html]
• CSISS GIS Cookbook - Glossary [http://www.csiss.org/cookbook/glossary.php]
• ESRI GIS Dictionary [http://support.esri.com/index.cfm?fa=knowledgebase.gisDictionary.gateway]
• Glossary for the Geographer's Craft [http://www.colorado.edu/geography/gcraft/gloss/glossary.html]
• ONS Neighbourhood Statistics Glossary [http://neighbourhood.statistics.gov.uk/dissemination/Info.do?page=userguide/glossary/glossary.htm]