ArcMap, in the ArcGIS suite, uses two terms that relate to its display of data"Projected Coordinate Systems" and "Geographic Coordinate Systems". These can be rather confusing because they don't exactly fit the way that we talk about projections when we are learning the theory of projections in geography. So, in this video, let's take a look at how ArcGIS handles projections in its system and what the difference is between a "Geographic Coordinate System" and a "Projected Coordinate System".

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