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Trees have a root node, which has no parent. "Pet" in the example above is the root note, since it has no parent.
You place nodes on the tree using two values: the name of the node, and the name of the node's parent. . This is the only relationship that matters when you're building your spreadsheet. For example, you can place the Labrador node with "Labrador" (it's name) and "Dog" (it's parent). Remember, any node on the tree can be a parent.
Each row in the Organization Chart spreadsheet represents a node on the tree.
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