hierarchy

nouns

a series of ordered groupings of people or things within a system
"put honesty first in her hierarchy of values"
hierarchy
is derived from
hierarchical
is a part of
a group of independent but interrelated elements comprising a unified whole
"a vast system of production and distribution and consumption keep the country going"
scheme, system
is a type of (narrower)
similar things placed in order or happening one after another
"they were investigating a series of bank robberies"
series
the organization of people at different ranks in an administrative body
hierarchy, pecking order, power structure