Then it is also almost like a two-factor definition. Once it is defined through the symbol and twice through the easy, canonical easy language explanation. The easy language explanation must also be specced then.
No, I can't. Sorry. Maybe I can, if you disclose what companies you are writing code for and not just plain namedropping, but disclaim the actual products you are involved with.
One of the most interesting properties of Kei is you can combine statics symbols with rewriting rules to create another logic system, like COC. In λΠ-calculus modulo the conversion of terms is available between β-reduction and Γ-Reduction, this means that a type can be changed through a type relation of a rewriting rule. Of course, if there is a well-typed substitution rule σ(x).
Where is the <1% of the world population who can translate this to human-speak, when you need them?
Seeing this point remembered here will help some, but overall you A. either won't know you're shopping at a shopify.com store or B. you'll not care because the company is too big to fail (Tesla).