Recent paper https://arxiv.org/pdf/2505.12540
Looking at this essay
Human language is a method to *communicate* an abstraction
in one person's head to an abstraction in another person's.
There are a number of implications in that statement. While we *perceive* that the other's abstraction is the same as our own, it almost certainly is not.
Generally, it does not matter that the abstractions are different as long as they can be operated on in similar ways with similar results.
Combine the two and we see that they have formulated a deep result