| A | B |
|---|
| Defined | Stating in a formal document exactly what the borders are |
| Delimited | Creating a map that shows the borders drawn out |
| Demarcated | Putting up signs and marking the land to show the border |
| Administered | Using government agents to monitor the border with checkpoints |
| Natural | Rivers, Mountains, and other land features that separate out places |
| Geometric | Hand-drawn on a map in straight lines |
| Antecedent | The previous boundary before it was altered |
| Subsequent | Boundaries created to account for ethnicity, religion, race, etc. |
| Superimposed | Boundary lines drawn over the top of existing ones; changing the shape of states |
| Relic | Historic boundaries no longer in use; often tourist attractions and hold a valuable cultural significance |
