A map is the
visual representation of an area. It shows all the symbols that the map is made
for such as objects, regions etc. For example, the most important purpose of
the political map is to show territorial borders, features of geography such as
mountains, soil type, roads, railroads etc.
But what
makes a good map? When done well, a map is a vehicle for effective
communication. It should include data on the subject matter to provide
orientation (e.g. streets, cities, points of interest). It is important to
choose data that is relevant and current to the map. For example choosing an
out of date street layer for an area that has recently undergone change can be
confusing.
The color
choices, line widths, icons and labelling will affect the readability, and
hence message, of the map. A map aimed at children might involve brighter
colors and less complexity. A general audience map might involve the use of
terminology. A map with potentially color blind audience should not contrast
certain colors.
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