.net - How to name nodes in a graph in the English language? -

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i need define element linkedlist in object:

    a
  /    \
x     y

how name entire object , components in english?

à la: hand-body-leg object named body. or maybe somthing queue kernel hand treeobject?

ok, let's show example of railway:

nodestation => station => station => station => nodestation => station => station => nodestation => ...

i need have object (nodestationandneighbourdstations) following 3 elements: nodestation, leftneighbor, rightneighbor in more general manner.

             node                        node               |                            |      ------ parent ------              --- ---        |                  |              |       |  left child         right child         x       y

the whole object i'd call node.


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