An action verb is used to show some kind of action in a sentence, as opposed to state verbs.
For example: I am singing a song. - action
I am tall. - state
Explanation:
Format is the organizational structure of a text. An author might alter the format of a literary work to highlight the differences between things, especially when he or she is trying to deliver information about the contrasts between different situations, characters, or other aspects of the work.