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What is the difference between a compass rose and a compass card?
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A compass rose is a map of the points of the compass, usually in the form of a circle divided into four quadrants. It is used to help orientate oneself when navigating. A compass card is a small sheet of paper that contains information about how to use a compass. It typically includes instructions for setting the direction of the needle, as well as other important information such as declination and magnetic variation.