Akademik

hierarchy
noun /ˈhaɪə.ɹɑː.kɪ,ˈhaɪɹ.ɑːɹ.kɪ/
a) A body of authoritative officials organized in nested ranks.
b) Any group of objects ranked so that every one but the topmost is subordinate to a specified one above it.
See Also: hierarch, hierarchic, hierarchical, hierarchically

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