urban area

A United States Census Bureau-defined geographic area of contiguous census block groups with a population density of at least 1,000 people per square mile.

address bar

The address bar is a text box, usually at the top of a web mapping application, which an address can be typed into as a search box.

web map

A map that is not simply on the web, but rather one that is powered by the online GIS technologies.


State of Connecticut Office of Policy and Management

You can find more information on the OPM website.


A collection of GIS data and/or orthorectified imagery that form the background setting for a map.


A data storage format for geospatial vector data to use in GIS software.


A corridor of open space that’s may protect or connect natural resources, preserve scenic landscapes and historical resources or offer opportunities for outdoor recreation or non-motorized transportation; located along a defining natural feature, such as a waterway, or along a man-made corridor, such as a highway or railway.


A linear orientation of transport routes and flows connecting important locations that act as origins, destinations or points of transshipment. They can be composed of streets, highways, transit routes, or rail lines.

multi-use trail

A path physically separated from motor vehicle traffic by an open space or barrier and either within a public right of way or easement, which accommodates two-way non-motorized travelers including pedestrians, bicyclists, joggers, and skaters.