Because that is the definition of those words.
those words were used to describe a keratin placing of higharcy, they mean what they mean.
Just how loose means loose and tight means tight...it is just what it means.
This question is out of context if you want a better answer...explain to me what you need help with.
The answer you are looking for is B it can teach the meaning of words and their roots.
The answer is C management
