It's more like a flag to signal you are part of a certain team. But with no common ideas

You have people say that Trump was the most conservative president in history for "reasons".
Then you have other people who argue Trump was not conservative at all for "reasons" (often for the same reasons the first group called him conservative).

It's just hard to find consistent themes anymore.

I used to answer this question by saying: limited role/function of government, self reliance, focus on tradition and order. But now, who knows