Vertical prototype

Vertical prototype is a prototype that is used to drill down into a proposed solution to uncover requirement and design considerations through multiple layers of a solution that are not easily understood or that are not discernible on the surface. It may include interaction between several solution components.

Definitions

According to the BABOK Guide (3rd edition),

Vertical prototype. A prototype that is used to drill down into a proposed solution to uncover requirement and design considerations through multiple layers of a solution that are not easily understood or that are not discernible on the surface. It may include interaction between several solution components.