Earlier quoted context omitted.
There was an episode of Star Trek: The Next Generation that explored a similar concept. https://en.wikipedia.org/wiki/Darmok
I love this episode but was surprised that wikipedia said this: > It is often cited as one of the best episodes of the both The Next Generation series and the entire family of the several Star Trek television series.
OP: an example of shared fiction he uses in the book is the law. The law is a fiction in the sense that it is not a physical object, but a group of shared concepts that allows society to be built to a higher order. "Sapiens" is a great read.