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COMMON TERMS CONTINUED

Geo-coding: The process that is used to convert street addresses or
other locations into geographical coordinates, which can be
entered into a GPS device or geographical software.

Geographic access standards: Standards that are used to determine the optimum size, location
and number of service points to be provided. The standards
include population thresholds and access distances. Access
standards assist departments to achieve an equitable and
accessible distribution of facilities.

Geographic Information System: A system that is used to store, edit and manipulate, analyse
and map spatial data. It integrates database operations such
as query and statistical analysis with the visualization and
geographic analysis benefits offered by maps.

In-migration: Movement into a region or community, especially as part of
a large-scale and continuing movement of population.

Metadata: Data that serves to provide context or additional information
about other data, for instance, the source, owner and date of
the data.

Movement network An interconnected system of streets, roads and paths that
allows people and goods to reach their intended destinations.

Ortho-images: Aerial photographs that are geometrically corrected so that
the scale is uniform. They can be used to measure true
distances on the earth’s surface. Orthophotographs are
commonly used in GIS.

Out-migration: Movement away from a person’s region or community to settle

in another area or community, especially as part of a large-
scale and continuing movement of population.

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