“In order to stand well in the eyes of the community, it is necessary to come up to a certain, somewhat indefinite, conventional standard of wealth.” (Thorstein Veblen)

Definite means free of all ambiguity, uncertainty, or obscurity; typically designating an identified or immediately identifiable person or thing.
Indefinite means typically designating an unidentified, generic, or unfamiliar person or thing.

“All the evolution we know of – proceeds from the vague to the definite.”  (Charles Sanders Peirce).