beware the jabberwock my son the jaws that bite the claws that catch beware the jubjub brid and shun the frumious bandersnatch!
a: the use of nonsense language like jubjub and frumious
b: the image of the jabberwock with claws that claws that catch
c: number of words in each line of the stanza
d: the rhyming of son and shun and Bandersnatch