the information that can be revealed through characterization is a character's personality and traits. if there's enough information you could probably predict some of the actions of a certain character. I don't know if that's what you're looking for but that's my take on your question hope that helps!
Answer:
Style: the writers way of using language
Purpose: the reason for writing a text
Tone: the attitude a writer expresses
Audience: the intended readers of a text
Biohazard speaks more fluent than her husband
