Visit the original article here: https://www.3dartviz.com/skills/skills-tech/programming-video-game-interaction-cpp.html#storyboard
The storyboard is telling me which functions I am going to need for the interaction:
1. Opening/closing doors
2. Input actions system
3. A set of pickup elements, and
4. A counter to lock/unlock the exit gates and finish the mission.
Animatic for interaction.