also: ヒエラルヒー
noun
A loanword from German 'Hierarchie', used similarly to English 'hierarchy' for ranking systems in organizations, society, or abstract structures.
from German Hierachie
会社のヒエラルキーは厳格だ。
The company's hierarchy is strict.
この組織には明確なヒエラルキーが存在
There is no clear hierarchy in this organization.