| Term | Definition |
|---|
| Base Line | An east-west line designated under the Land Ordinance of 1785 to facilitate the surveying and numbering of townships in the US. |
| Cartography | The science of making maps. |
| Connections | Relationships among people and objectives across the barrier of space. |
| GIS | A computer system that stores, organizes, analyzes, and displays geographic data. |
| GPS | A system that determines the precise position of something on Earth through a series of satellites, tracking stations, and recievers. |
| Greenwich Mean Time | The time in that time zone ecompassing the prime Meridian. |
| International Date Line | An arc that for the most part follows 180 degrees longitude. |
| Land Ordinance of 1785 | Law that divided much of the US into a system of townships. |
| Latitude | Used to indicate the the location of parallels drawn on a globe and measuring north and south from zero. |
| Location | The position of anything on Earth's surface. |
| Longitude | Used to indicate the location of meridians drawn on a globe to measure distance east and west of prime meridian. |
| Map | Two dimensional or flat representation of Earth's surface or a portion of it. |
| Meridian | An arc drawn on a map between the North and South poles. |
| Parallel | A circle drawn around the globe parallel to the equator and at right angles to the meridians. |
| Place | A specific point on earth distinguished by a particular character. |
| Principal Meridian | A North-South line designated in the Land Ordinance of 1785 to facilitate the surveying and numbering of townships in the US. |
| Projection | The system used to transfer locations from Earth's surface to a flat map. |
| Region | Area distinguished by a unique combination of trends or features. |
| Remote Sensing | The aquisition of data about Earth's surface from a satellite. |
| Scale | Generally, the relationship between the portion of Earth being studied and the Earth as a whole. |
| Section | A square normally 1 mile on a side. |
| Space | The physical gap or interval between two objects. |
| Toponym | The name given to a portion of Earth's surface. |
| Township | A square normally 6 miles on a side. |
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