1.  comprehensiveness(n = noun.state) fullness - completeness over a broad scope; Array
is a kind of completeness
Derived form adjective comprehensive₁

2.  comprehensiveness(n = noun.cognition) breadth, largeness - the capacity to understand a broad range of topics; "a teacher must have a breadth of knowledge of the subject"; "a man distinguished by the largeness and scope of his views"
is a kind of intelligence
has particulars: capaciousness, roominess
Derived form adjective comprehensive₂

   The quality of being comprehensive; extensiveness of scope. [1913 Webster]
"Compare the beauty and comprehensiveness of legends on ancient coins." [1913 Webster]