hierarchy

US /ˈhaɪəˌrɑrki, ˈhaɪˌrɑr-/

UK /'haɪərɑ:kɪ/

B1
n. (c./u.)Noun (Countable/Uncountable)Group that manages and controls an organization
Let me explain to you the hierarchy of our corporation first
n. (c./u.)Noun (Countable/Uncountable)A system for organizing according to importance
Maslow proposed that people have a hierarchy of needs
n. (c./u.)Noun (Countable/Uncountable)A structure or organization of data or objects arranged in successive ranks or grades.
The file system is organized as a hierarchy of directories.

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