a. Any one of the three physical or spatial properties of length, area, and volume. In geometry, a point is said to have zero dimension; a figure having only length, such as a line, has one dimension; a plane or surface, two dimensions; and a figure having volume, three dimensions.

What is spatial dimension in economics?

Spatial economics deals with what is where, and why. ... Regional analysis is concerned with groupings of interrelated economic activities in proximity, within specified areas or types of areas; and the theory of interregional trade refers to the economic relationships between such areas.

What are the 9 spatial dimensions?

The most studied are the regular polytopes, of which there are only three in nine dimensions: the 9-simplex, 9-cube, and 9-orthoplex. A broader family are the uniform 9-polytopes, constructed from fundamental symmetry domains of reflection, each domain defined by a Coxeter group.