-The arc/node data model is the most common topological data structure
-A polygon feature is comprised of a closed chain of arcs.
-Contains two basic entities, the arc and the node.
-The arc is a series of points, joined by straight line segments, that start and end at a node.
-The node is an intersection point where two or more arcs meet.
jim items answered the question on November 14, 2018 at 11:24
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