Help please: What is a 'liberal' in US politics? Democrat or Republican or something different?

That doesn't always follow. There are plenty of conservative Democrats, and there used to be liberal Republicans.

And that's why I said [b]generally[/b] considered liberal.
Though, I didn't make that distinction on the other side. Republicans are pretty much always conservatives now.

@UnsureForNow: I'm told there are still some moderates in the GOP. But one rarely hears from them nowadays.😊

I don't doubt that, but they would definitely be more right leaning, at the very least.