Now, after only two generations of public schooling, most of the world is literate. We're in a similar situation with computers today. With that concept in mind, I'll discuss a couple models to consider. In the early days of the U.S. automotive industry, car designers struggled with nonprogramming users. But over the years the AAA helped end that, not to mention technology breakthroughs that made cars more reliable.
Graphical lexicons are one possible solution.
They offer large library access to the underlying mathematics, which enables users to feel their way along intuitively. I do this more now with mathematics equations. Don't derive the equation from first principles. Rather than put a trademark symbol in every occurrence of all other trademarked names, we state that we are using the names only in an editorial fashion with no intention of infringement of the trademark.