English: A generic, and so non-binary, unsorted, and with duplicated labels; arbitrary diagram of a tree.

Based on https://commons.wikimedia.org/wiki/File:Binary_tree.svg but made to not be a binary tree. Created using graphviz and dot:

digraph wikip {

   node [fontsize=12 height=0.1 nodesep=0.25 width=0.1]
   2.1 -> 7 -> 2.2
   7 -> 10
   7 -> 6 -> 5.1
   6 -> 11
   2.1 -> 5.2 -> 9 -> 4
   2.1 [label=2 color=brown fontcolor=green fontname=bold]
   2.2 [label=2]
   5.1 [label=5]

5.2 [label=5]