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Revision as of 17:04, 17 December 2005
- A hierarchy (in Greek hieros, sacred, and arkho, rule) is a system of ranking and organizing things.
- A group of people, or things arranged in order of rank or grade.
- A system of dividing people or things into rank
- An ordering of groups in which larger groups encompass sets of smaller groups.
- Any system where there is a parent-child relationship.
- A group of people, ideas, objects, etc. arranged in a graded series (high to low, good to bad, etc.).
- In computer science's object-oriented programming, the mapped relationships of sub- and superclasses is known as a hierarchy.