The uses of maps in human communication continually increase and diversify, reflecting the range of interests, knowledge, and aspirations. A set of points, lines, and areas all defined both by position with reference to a coordinate system and by their non-spatial attributes. A thin line may mean something different from a thick one, and similarly, red lines from blue ones. The cartographer selects only the information that is essential to fulfill the purpose of the map, and that is suitable for its scale.
Maps use symbols such as points, lines, area patterns and colors to convey information.
To locate places on the surface of the earth, To show patterns of distribution, and To discover relationships between different phenomena by analyzing map information. Examples of Different Uses of Maps Earthquake Hazard Map Notice the use of color to indicate intensity. Position on the Earth's Surface Bigfoot Sightings Shows patterns of distribution. Just as maps were created to enable global navigation, maps are used frequently on the Web as a navigational device. See the Virtual Tourist World Map- a geographic directory of all the WWW servers in the world.