2. Centered around a core area or node
-formal
-functional
-perceptual

Functional

Explanation:

A formal region is a region defined by recognized boundaries.

Perceptual regions are regions that are defined as how people think they are. One example is the South. People's opinions on the range of the South vary from state to state.

Functional regions are made up of a central area, and surrounding areas. This describes a node.

community or area create social relationships that typically differ greatly from the affiliations ultimate effects of travel experiences on the population in areas of origin, as well as in places of wage of only a dollar or two. motorcoach operators, museums, and restaurants fall into the broad category of public

explanation:

c people in 46 occupations