Concept: Focus on the user-centered evaluation through all the construction phses, minimizing the DSL's rework and disuse.

“The User-centered design (UCD) process outlines the phases throughout a design and development life-cycle all while focusing on gaining a deep understanding of who will be using the product.” [Usability.gov]

When you focus on the user and not the product, you learn what works for your users, as well as what doesn't work, what pleases, and what frustrates them. [Barnaun:2011]