It is possible that not all your users will know how to answer a question or the rational behind a question. In these cases, it is useful to show them more information or some kind of help to select the correct answer.
To show help, go to the slide settings / Help tab:
Here you can enter text, images, videos, etc. For example:
Now, a new field to display a help call to action will be shown:
Write a call to action:
And it will be displayed on the slide:
So when a user takes the pickzen and clicks on the I need help link the help panel will be shown: