Even if you don't seem to realize that we have known most everything you are saying for over fifty years, this is a fine article because the content is largely right. Just like cryptocurrencies looked new for old X.509v3 public key infrastructure. I welcome "new-speak" like this if it is true. And you are doing a good job of that.
Here is a simpler, but identical, view on how any brain works based on the computational cognitive neuroscience driven by linguistic observation, but using standard language.
(For example "Role and Reference" is a conflation of two classic distinctions, one is Meaning by referential and semantic meaning, and the other is Paradigmatic and Syntagmatic Relations in the foundations of structural linguistics (from 1912). The only fault I have on this paper is that you conflate surface grammar from deep grammer in several places). Chomsky is still worth knowing.