| Word | Definition |
| Arithmetic Density | the total number of people divided by the total land area |
| Cartography | the science of making maps |
| Concentration | the spread of something over a given area |
| Contagious Diffusion | the rapid, widespread diffusion of a feature or trend throughout a population |
| Culture | the body of customary beliefs, social forms, and material traits that together constitute a group of people performing the act |
| Density | the frequently with which something exists within a given unit of area |
| Diffusion | the process of spread of a feature or trend from one place to another over time |
| Distance Decay | the deminishing in importance and eventual disappearance of a phenomenon with increasing distance from its origin |
| Distrubtion | the arrangement of someting across Earth's surface |
| Expansion Diffusion | the spread of a feature or trend among people from one another in a snowballing process |
| Formal Region | an area in which everyone shares in one or more distinctive characteristics |
| Functional Region | an area organized around a node or focal point |
| Geographic Information System (GIS) | A computer system that stores, organizes, analyzes, and displays geographic data |
| Globalization | actions or processes that involve the entire world and result in making something worldwide in scope |
| Greenwich Mean Time | the time in that time zone ecompassing the prime meridian, or 0 longitude |
| Hearth | the region from which innovative ideas origionate |
| Heirarchical Diffusion | the spread of a feature or trend from one key person or node of authority or power to other persons or places |
| International Date Line | when time changes by going forward 24 hours at 180 longitude |
| Location | the position of anything on Earth's surface |
| Latitude | the angular distance north or south from the equator of a point on the earth's surface, measured on the meridian of the point |
| Longitude | angular distance east or west on the earth's surface, measured by the angle contained between the meridian of a particular place and some prime meridian, as that of Greenwich, England, and expressed either in degrees or by some corresponding difference in |
| Meridian | a great circle of the earth passing through the poles and any given point on the earth's surface. |
| Parallel | extending in the same direction, equidistant at all points, and never converging or diverging |
| Prime Meridian | the meridian running through Greenwich, England, from which longitude east and west is reckoned. |
| Region | an extensive, continuous part of a surface, space, or body |
| Relocation Diffusion | (blank) |
| Remote Sensing | the science of gathering data on an object or area from a considerable distance, as with radar or infrared photography, to observe the earth or a heavenly body. |
| Site | the position or location of a town, building, as to its environment |
| Situation | manner of being situated; location or position with reference to environment |
| Stimulus Diffusion | when something effecs you |
| Toponym | place name |
| Vernacular Region | Regions that have no boundries that people make up informally |
