HIERARCHY

Hierarchy

A hierarchy is an arrangement of items in which the items are represented as being "above," "below," or "at the same level as" one another. Abstractly, a hierarchy can be modelled mathematically as a rooted tree: the root of the tree forms the top level, and the children of a given vertex are at the same level, below their common parent.

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hierarchy

Noun

  1. A body of authoritative officials organized in nested ranks.
  2. Any group of objects ranked so that every one but the topmost is subordinate to a specified one above it.


The above text is a snippet from Wiktionary: hierarchy
and as such is available under the Creative Commons Attribution/Share-Alike License.

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