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EntityQ188619· pop 76· linked from 1,604 articles

hierarchy

Also known as hierarchies

thumb|right|The mediaeval scala naturae as a staircase, implying the orthogenesis|possibility of progress: [[Ramon Llull's Ladder of Ascent and Descent of the Mind, 1305]]

AI overview

A hierarchy is a system that arranges people, things, or ideas in ranked levels, with some positioned above others in order or importance. Hierarchies matter because they help organize complex groups and structures, though the image suggests they've long been imagined as pathways for progress or ascent through different levels.

AI-generated from the Wikipedia summary — may contain errors.

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Commons category: Hierarchy
P8168: Altshuller

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~30 min read

Article

38 sections

Contents

Nomenclature
Degree of branching <span id="Terminology"></span>
Etymology
{{anchor|Visually representing hierarchies}}Representing hierarchies
Visual hierarchy
Informal representation
Mathematical representation
Subtypes
Nested hierarchy
Containment hierarchy
Subsumptive containment hierarchy
Compositional containment hierarchy
Contexts and applications
Organizations
Biology
Computer-graphic imaging
Linguistics
Music
Examples of other applications
Information-based
City planning-based
Linguistics-oriented
Power- or authority-based
Value-related
Perception-based
History-oriented
Science-focussed
Technology-based
Religion-related
Methods using hierarchy
Criticisms
Ethics, behavioral psychology, philosophies of identity
See also
Structure-related concepts
Footnotes
Works cited
Further reading
External links

thumb|right|The mediaeval scala naturae as a staircase, implying the orthogenesis|possibility of progress: [[Ramon Llull's Ladder of Ascent and Descent of the Mind, 1305]]

A hierarchy (, ) is an arrangement of items (objects, names, values, categories, etc.) that are represented as being "above", "below", or "at the same level as" one another. Hierarchy is an important concept in a wide variety of fields, such as architecture, philosophy, design, mathematics, computer science, organizational theory, systems theory, systematic biology, and the social sciences (especially political science).