persona vs characterization

persona and characterization both are nouns.

Word	Noun	Adjective	Verb	Adverb
persona	Yes	No	No	No
characterization	Yes	No	No	No

As nouns, characterization is a hypernym of persona; that is, characterization is a word with a broader meaning than persona:

persona: an actor's portrayal of someone in a play
characterization: acting the part of a character on stage; dramatically representing the character by speech and action and gesture

Other hypernyms of persona include enactment, personation, portrayal.

persona (noun)	characterization (noun)
(Jungian psychology) a personal facade that one presents to the world	acting the part of a character on stage; dramatically representing the character by speech and action and gesture
an actor's portrayal of someone in a play	a graphic or vivid verbal description
	the act of describing distinctive characteristics or essential features