 tree (graph theory): Encyclopedia II - Tree structure - Representing treesThere are many ways of visually representing tree structures. Almost always, these boil down to variations, or combinations, of a few basic styles:
Classical node-link diagrams, that connect nodes together with line segments:
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Nested sets that use enclosure/containment to show parenthood (for an ...
See also:Tree structure, Tree structure - Examples of tree structures, Tree structure - Representing trees, Tree structure - Related terms Read more here: » Tree structure: Encyclopedia II - Tree structure - Representing trees | 
