There are a number of interpretations.
https://gyazo.com/54c1830c9eff9e1d3565ec5b222858c3
I think I drew something like the diagram on the left recently, but I can't remember the keywords.
There it is.
---
This page is auto-translated from /nishio/解釈はいくつもある using DeepL. If you looks something interesting but the auto-translated English is not good enough to understand it, feel free to let me know at @nishio_en. I'm very happy to spread my thought to non-Japanese readers.