1. Geographic TERMS and MOdels

2. GIS
gis/overview

3. Regional / idiographic (unique)theories
as a tendency to specify, and is typical for the humanities. It describes the effort to understand the meaning of contingent, unique, and often cultural or subjectivephenomena.

4. Systematic/nomothetic theories
described as a tendency to generalize, and is typical for the natural sciences. It describes the effort to derive laws that explain types or categories of objective phenomena, in general

6. What does this have to do with GIS?
One important characteristic of GIS is that it allows a combination of general and specific data
Allows for integration of ideographic with nomothetic geography.

7. Distance Decay

8. Time-Space Compression

9. Gravity theory/model