I have been familiar with the term and ideology long before Mr Rice's current tome on the matter and this, to me, is pretty much the Cameo concept in a nutshell.
A small layout, done to your highest achievable standards, to create an easy on the eye working image of a slice of reality.
or to use the original literary definition of "Cameo"
a short descriptive literary sketch which neatly encapsulates someone or something.