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Between updates, new information and new systems being tested to determine quality and trust factors and all of that are being run. It’s seeing how your new content fits into the grand scheme of it’s understanding of the world and evaluating it. Certain things that happen over and over again get trained into the main systems while other things that don’t prove useful don’t get trained in.
Core updates are generally just about merging that new knowledge and methods of evaluation that have been tweaked or discovered are merged into permanent memory so it doesn’t need to refer to other sources for things about your brand and products/services that have been established as fact.
Spam updates penalize things. Core updates are less about penalties, and more about inserting, updating, and reconfirming the established facts. If you’re losing things here, it’s not so much about you doing poorly, it’s typically much more about other people doing it better (at least right now) and moving in ahead of you.
This is, of course, highly simplified. It’s not quite that straightforward or black and white, but that’s the basic gist of what’s going on.
G.
