Ur linked picture don’t work so I don’t know what u on about
Jonathan Edwards utilizes numerous striking pictures to make and strengthen his point to the individuals from his assembly. Maybe the most capable picture is the broadened allegory of God holding the heathen over the pit of hellfire. "… there is nothing amongst you and Hell except for the air; it is just power and minor delight of God that holds you up."
Persuasive is when your goal is to talk someone into doing something/agree with you/to persuade, but informative speeches are to educate and inform.
persuasive-
arguing a point
goal is to persuade
biased
informative-
educating
goal is to inform
unbiased