Earlier quoted context omitted.
In communication, meaning is a collaboration between writer and reader. The writer does their best to convey something; the reader does their best to understand. There's also the kind of meaning that scientists and researchers talk about when they extract knowledge from data. That's pretty different from communication; it's more a process of internal generation of notions and explanations that could later be conveyed…
a process of internal generation of notions How is this "knowledge extraction from data" process different?
It seems none of this is something new. It's just that you no longer need a good education to learn about old ideas; you can come up with them on your own.