Thanks for the kind words!
Yea essentially that's it. And the prompt can be used for any of the five elements. The rest is up to you and your imagination and the momentum of your story.
Although it's important to keep in mind that these are not set-in-stone rules. They can be bent and even broken, but it's always vital to know the rules before you break them.
This article dives deeper into scene construction: https://storygrid.com/five-commandments-of-storytelling/
Let me know if you have any other questions!