commonplace book (IndieWeb Wiki)
A Commonplace book (or commonplaces) are a way to compile and store knowledge, usually by writing information into books, notebooks, card catalogs, or in more modern settings on one's own website.

I’ve been doing this for nearly 20 years (documenting stuff on my blog), in various capacities and with mixed regularity, and this is the first time I’ve heard of this term. Every day is a learning day ?

My (Belated) Takeaways from the LVO Warhammer Panel (Variance Hammer)
And while the vast majority of the panel was previewing amazing new models and people rightfully drooling over them, there was also an extended Q&A session. Now I didn’t record it or anything, but between the utterly useless questions (“When are you bringing back Squats?”) and the very clear personal agenda questions (“What are you doing about X thing in Y build and what’s the release date?”) there were a couple questions and answers that revealed things about the process of how GW thinks about 40K that I think were potentially interesting.