The Rules of the World, You Know?

When we say setting, i don't just mean the physical geography of the world. I mean like the rules, the rules of the universe you live in. And that could be a lot of different things. We weremees wers, regona writers. We're talking science fiction, fantasy, ere writing, syphy, lot of thimes. Is technology, yen, what is the tect level of this world? And then what are your rules for different technologies? You can't just suddenly, you know, flip it on a dime, introduce some crazy new tech that never existed before and expect that to make sense. It was pretty now, le's, let's