Which of these is a type of figurative language that involves intentional exaggeration?

The correct answer should be hyperbole.
Hyperbole is a figure of speech authors often use when they want to exaggerate things, and make them appear more dramatic than they actually are. For example: 'Where have you been? I've been waiting here for a century!' You haven't really been waiting for a century - it is a hyperbole. 

Sector is best defined as (part).