During planning, a project team and sponsor created a visual representation of the high-level specifications...

The Walking Skeleton approach involves developing a minimal, end-to-end working system with just enough functionality to demonstrate how the product works in its simplest form. This is often used in Agile to ensure the core structure of the product is in place, and it allows stakeholders to see how basic features are implemented and how the product will evolve. By highlighting this approach, the project manager can help the sponsor understand the essential features and the incremental development process, making it clear what will be developed and when, without overwhelming them with detailed planning at this stage.