hierarchy
US /ˈhaɪ.rɑːr.ki/
UK /ˈhaɪ.rɑːr.ki/

1.
gerarchia, scala gerarchica
a system or organization in which people or groups are ranked one above the other according to status or authority
:
•
The company has a strict management hierarchy.
L'azienda ha una rigida gerarchia di gestione.
•
He is at the top of the social hierarchy.
È al vertice della gerarchia sociale.