name of point and vector spatial objects used to locate
zero-, one-, and two-dimensional spatial locations in the data set.
Type:
text
Domain:
(The domain is from "Spatial Data Concepts,"
which is chapter 2 of part 1 in Department of Commerce, 1992,
Spatial Data Transfer Standard (SDTS) (Federal Imformation Processing
Standard 173): Washington, Department of Commerce, National Institute
of Standards and Technology: