/ˈhaɪərəki/ – noun
Definition: Hệ thống cấp bậc hoặc hệ thống quyền lực.
A more thorough explanation: 1. a system for organising people or things according to their importance in a society, organisation, or other group
2. the people who control an organisation
Example: 1. It’s said that the British are obsessed with class, but does the traditional hierarchy of ‘working’, ‘middle’ and ‘upper’ class really exist anymore?
2. He was officially ranked as number seven in the party hierarchy.