What do you personally consider canon to the manga or your civil discussions/ 1 iq rants besides the manga?

For example:

A just the manga

B webcomic (like, if it hasn't happened in manga yet, or manga hasn't disproven a WC event)

C Anime

D Anime ovas

F: official audio content

G: tweets, interviews with authors, things ONE blurted out while sleeping 15 years ago that you personally caught on camera

H: headcannns & I saw it in a dream & the source is I made it the fuck up

J: pre redraws (for feats or character behaviour maybe?)

K: not the manga but solely its hot cover art

L: I probably missed some

F: a 4000 page thesis on why Flashy can stomp the verse if he has a sword

M: manga content interpreted very literally: cats can cut Saitama, Tareo is faster than Amai, etc

I considered arranging these in a way to make people often get the 4 letters "c, o, p, e", but turns out I'm too lazy for that.

Compiling this list made me realise why in part so many arguments are doomed to failure. I personally only deem the manga truly canon, but if someone uses some decade old tweet or an audio book of darkshine fighting a bug... It doesn't feel right that the entry to fully understand what's canon would demand one to know every tweet by the authors since the dawn of time when ONE dreamt up the universe into existence.