The Tree
This video presents the same text shown beside it, spoken and on screen. It adds nothing the text does not say.
State
A tree is a hierarchical data structure of nodes descending from a root through parent-child links to childless leaves, the hierarchy's depth called its height.
Show
A school's organization chart hangs every role beneath one head and bottoms out at classrooms.
Watch for
One parent per node — that constraint makes it a tree.