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pole – n. either end of the imaginary line around which something, such as the earth, turns
compass – n. a device that is used to find direction by means of a needle that always points north
location – n. a place or position
navigation – n. the act, activity, or process of finding the way to get to a place when you are traveling in a ship, airplane or car
region – n. a part of a country or of the world that is different or separate from other parts in some way
prone – adj. likely to do, have, or suffer from something
accelerate(d) – v. to gain speed
core – n. the central part of something
reverse – v. to change something to an opposite state or condition
