hidden card

Certain games have the concept of face-down cards.

I'll lay it all out in advance.

When the condition is met, turn it face up and activate its effect.

No one but the parties involved know what is being withheld.

For the parties concerned, "down" is a definite past when they are down.

Unknown future for all but the parties involved

there are things we can learn from what we see

It's a known past to the party who lies down, so their behavior changes based on it.

'For some reason, you've suddenly started investing in the English language.'

I see what you mean.

It's a game face-down card, and it's generally a complete secret.

Only the person who got down knows.

Other players don't know until it's opened.

Not so with the get-down cards of the real world.

That's what I was wondering about when I wrote "the parties" instead of "the person."

This confirmed past can be used for actions

concrete example

Not placed in public Scrapbox, but shared with 5 community locations at this time.

In two of them, useful reactions were triggered.

As for this one, it will be triggered once the triggering condition of 8/15 is met, and then after the fact, "that's it?

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