| A | B |
| agricultural density | Ratio of farmers to land suitable for agriculture |
| arithmetic density | Total number of people divided by total land area. |
| concentration | The spread of something over a given area. |
| contagious diffusion | Rapid widespread diffusion of a feature or trend throughout a population. |
| density | The frequency of something within a given area. |
| diffusion | The spreading of a feature or trend from one place to another over time. |
| expansion diffusion | The spread of something in a snowballing process. |
| globalization | Actions or processes that involve the entire world and make something worldwide in scope. |
| hearth | The region from which innovative ideas originate. |
| hierarchical diffusion | the spread of something from one key person of authority to other people. |
| pattern | The geometric or regular arrangement of something in a study area. |
| physiological density | The number of people per unit land suitable for agriculture. |
| relocation diffusion | The spread of a feature or trend through bodily movement of people from one place to another. |
| space-time compression | The reduction of time it takes to diffuse something to a distant place as a result of improved communication and technology. |
| stimulus diffusion | The spread of an underlying principle, even though a specific characteristic is rejected. |
| transnational corporation | A Company that operates in many countries. |
| uneven development | The increasing gap in economic conditions between regions due to globalization of the economy |
| distance decay | The diminishing in importance and eventual disappearance of a phenomonon with increasing distance from its origin. |
| distribution | The arrangement of something across earths surface. |