Here are two stories which will exemplify what I am getting at.
It is difficult to choose one person to exemplify the best in humanity because everyone is human with more than one dimension.
Furthermore, exemplification is selective: a sample does not exemplify all of its properties (size, shape, aesthetic value etc.) but only those for which it is a symbol.
It's important to provide the sentence in order to determine the rhetorical device being used.
Exemplify
The prefix of exemplify is "ex-" which means out or beyond.
She exemplified the good behavior desired by every parent.
A practice called branding
to serve as an example of: to illustrate by example or model =D The teacher chose a student who would exemplify the standard of education the school was able to offer.
How advertising campaigns use different forms of
exemplify, represent
To exemplify
It means "showed or illustrated by example".