I do believe it's the third one but I could be wrong
I believe the correct answer is B) diction, because diction is the choice of words. So, the more precise the words which the author uses are, the more precise and increased will the text be.
An aborigine is someone or something that has been native to a country or region for an extended period of time, typically the first.
Aborigines include the Native Americans of the now North Americas, ancient plant species, and many more.
The bottom left graph is the best answer