Answer Posted / taeaone
The original meaning of hierarchy was rule by priests, which usually involved a rigid ordered structure - such as priests, bishops, archbishops. Now it is normally used for anything with an ordered structure.
A system or organization in which people or groups are ranked one above the other according to status or authority.
A hierarchy is an arrangement of items (objects, names, values, categories, etc.) The
word can also refer to a series of such items so arranged. Items in a hierarchy are
thought of typically as including or being "above," included by or being "below," or
independent of (being "at the same level as") one another.
A hierarchy can link entities either directly or indirectly, and either vertically or
horizontally. The only direct links in a hierarchy, insofar as they are hierarchical, are to
one's immediate superior or to one of one's subordinates, although a system that is
largely hierarchical can also incorporate other organizational patterns. Indirect
hierarchical links can extend "vertically" upwards or downwards via multiple links in the
same direction. All parts of the hierarchy which are not linked vertically to one another
nevertheless can be "horizontally" linked by traveling up the hierarchy to find a
common direct or indirect superior, and then down again. This is akin to two co-
workers, neither of whom is the other's boss, but both of whose chains of command
will eventually meet.
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