The different layers or levels of importance of something. The most important being at the top.
any system of persons or things ranked one above another
family tree is one
refer to related links.
If it does not refer to political system of ancient Roman empire and its aristocratic or oligarchic society, it maybe refers to Catholic church and its hierarchy. in fact, hierarchy in that meaning indicates who is who ; for instance : priest , bishop and so on...
Subdirectories or subfolders refer to directories that exist under the root directory. They are used to organize and manage files within the file system hierarchy.
To reference Maslow's hierarchy of needs, you can cite it as follows: Maslow, A. H. (1943). A theory of human motivation. Psychological Review, 50(4), 370-396. In-text, you can refer to it as "Maslow's hierarchy of needs" or simply "Maslow's theory." Ensure to adhere to the citation style (APA, MLA, etc.) required for your work.
There is no hierarchy.
hierarchy
The plural form of hierarchy is hierarchies.
Hierarchy
Mapmakers refer to a hierarchy when discussing the arrangement of map elements based on their importance and visual prominence. This ensures that more critical information stands out while maintaining a clear and organized layout for the map reader. Items such as titles, legends, and key features are typically placed at the top of the hierarchy.
Hierarchy is a noun
Acquisition hierarchy and Financial hierarchy
Acquisition/Procurement hierarchy and Financial hierarchy