Why this exists
Search for anything Cantonese and you get a language school. Tones, drills, characters, six weeks to fluency. The culture is treated as scenery you pass on the way to the grammar.
But the interesting thing about Cantonese isn't that it's hard to learn. It's what it notices. A culture that classifies every food by what it does to your body. That pays eighteen million Hong Kong dollars for a number and won't touch another one at any price. That renamed its own almanac because the word for book sounded like the word for lose. That has a verb for idling with no purpose and no guilt, and hasn't got round to giving it a written character.
None of that requires you to speak the language. All of it is invisible if you only ever study the language.
Who it's for
Two people, and the same pages serve both. Someone with no Cantonese connection at all who finds this genuinely interesting — which is where I started. And someone with Cantonese heritage for whom it's a second culture rather than a first: the grandchild who recognises the soup but was never told what it was for, and who searches and finds only lessons.
The awkward part, said plainly
I'm outside this culture. That is a real limitation and I'd rather put it at the top of the page than bury it in footnotes. But it's also the method: outsiders notice what insiders stopped seeing. Nobody raised tapping two fingers when their tea is poured has ever had cause to find it remarkable.
It only works because of the subject. Cantonese culture is unusually generous toward outsiders who try and get it a bit wrong — that generosity is itself one of the things worth documenting. Where I get it wrong, it gets fixed in public on the corrections page, with the date.
How that plays out in practice — what gets published, what waits for someone with a better ear — is set out in the method.
Elsewhere
The classical systems this culture inherited are documented at hanzi.design, and the wider work on marks and meaning at symbolic.institute.
Corrections, arguments and better information: hello@canto.institute.