A hierarchy (from Greek: ἱεραρχία, hierarkhia, 'rule of a high priest', from hierarkhes, 'president of sacred rites') is an arrangement of items (objects...

Maslow's hierarchy of needs is an idea in psychology proposed by American psychologist Abraham Maslow in his 1943 paper "A Theory of Human Motivation"...

field of ethology, a dominance hierarchy (formerly and colloquially called a pecking order) is a type of social hierarchy that arises when members of animal...

In the angelology of different religions, a hierarchy of angels is a ranking system of angels. The higher ranking angels have greater power and authority...

A settlement hierarchy is a way of arranging settlements into a hierarchy based upon their size. The term is used by landscape historians and in the National...

Hierarchy (Korean: 하이라키) is a 2024 South Korean teen romance television series written by Chu Hye-mi, directed by Bae Hyeon-jin, and starring Roh Jeong-eui...

slightly different hierarchies. For instance, there is one hierarchy which is primarily used in theoretical phonology, while a similar hierarchy is used in discourse...

The hierarchy of the Catholic Church consists of its bishops, priests, and deacons. In the ecclesiological sense of the term, "hierarchy" strictly means...

Hierarchical classification is a system of grouping things according to a hierarchy. In the field of machine learning, hierarchical classification is...

The Chomsky hierarchy in the fields of formal language theory, computer science, and linguistics, is a containment hierarchy of classes of formal grammars...