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

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...

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...

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...

In theoretical physics, the hierarchy problem is the problem concerning the large discrepancy between aspects of the weak force and gravity. There is...

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...

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

In mathematical logic, the arithmetical hierarchy, arithmetic hierarchy or Kleene–Mostowski hierarchy (after mathematicians Stephen Cole Kleene and Andrzej...

connections, elemental forms, noble titles, or parallels to the angelic hierarchy; or by association with particular sins, diseases, and other calamities;...

A command hierarchy is a group of people who carry out orders based on others' authority within the group. In a military context, the chain of command...

The Filesystem Hierarchy Standard (FHS) is a reference describing the conventions used for the layout of Unix-like systems. It has been made popular by...

A hierarchy of evidence, comprising levels of evidence (LOEs), that is, evidence levels (ELs), is a heuristic used to rank the relative strength of results...

Catholic-Hierarchy.org is an online database of bishops and dioceses of the Latin Church and the 23 Eastern Catholic Churches that are in full communion...

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

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

A class hierarchy or inheritance tree in computer science is a classification of object types, denoting objects as the instantiations of classes (class...

A hierarchical organization or hierarchical organisation (see spelling differences) is an organizational structure where every entity in the organization...

road hierarchy categorizes roads according to their functions and capacities. While sources differ on the exact nomenclature, the basic hierarchy comprises...

pyramid, also known variously as the DIKW hierarchy, wisdom hierarchy, knowledge hierarchy, information hierarchy, information pyramid, and the data pyramid...

Religious hierarchy may refer to: Hierarchical organization, hierarchical structure as applied to all organizations, including some religions Religious...

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

In the theory of decision making, the analytic hierarchy process (AHP), also analytical hierarchy process, is a structured technique for organizing and...

In computer architecture, the memory hierarchy separates computer storage into a hierarchy based on response time. Since response time, complexity, and...

Prison social hierarchy refers to the social status of prisoners within a correctional facility, and how that status is used to exert power over other...

In exposure therapy, an exposure hierarchy is developed to help clients confront their feared objects and situations in a manner that is systematic and...

A reverse hierarchy (or inverted pyramid) is a conceptual organizational structure that attempts to "invert" or otherwise "reverse" the classical pyramid...

In linguistic typology, the case hierarchy denotes an order of grammatical cases. If a language has a particular case, it also has all cases lower than...

statistical physics, the BBGKY hierarchy (Bogoliubov–Born–Green–Kirkwood–Yvon hierarchy, sometimes called Bogoliubov hierarchy) is a set of equations describing...

The hierarchy of the sciences is a theory formulated[where?] by Auguste Comte in the 19th century. This theory states that science develops over time...