How does the author develop the central idea using rhetorical devices/appeals?

not concrete, existing in thought or as an idea but not having a physical or concrete existence

the central idea is basically saying that juveniles that have committed a crime will not have the same consequences as the   adults that have. they will have a softer punishment than what the adults have that is harsh in some ways.

i think that it is (line 11)

you wright a 3 paragraph on vincen van gogh's life using textual evidence from the biography as support for your claims.