Mental Map, a persons internal image of the place, Latitude, Horizontal lines measuring distance north/south, Longitude, Vertical lines measuring distance east and west, Elevation, vertical distance of a point on the Earth's surface above or below sea level, Equator, The imaginary 0 degree latitude line circling Earth's middle dividing it into northern and southern hemisphere, Prime Meridian, 0 degree line of longitude, separating the Eastern and Western hemispheres.

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