how does the concept vocabulary contribute to the sense of finality suggested by the title of the story

- The words all share the theme of destruction.

Explanation:

Diction or the choice of words always plays a vital role in serving the author's purpose by conveying the specific intended meaning effectively to the readers.'

In 'The Fall of the House of Usher', the use of the concept vocabulary puts up to the essence and feeling of 'finality' as proposed by the story's title as 'all the words share the common theme of destruction.' This theme of knocking down is clearly reflected in the words 'fall of the house' of Usher which connotes 'desolation' or 'demolition.'

i believe the answer is a