Yep. And then for 6 layers, depending on the actual needs of the design, it'll often be components/ground/signal or power/signal or power/ground/components. Som

Yep. And then for 6 layers, depending on the actual needs of the design, it'll often be components/ground/signal or power/signal or power/ground/components. Some designs need a lot of signal routing space. Some need a lot of split power rails. And some are nice and easy and don't need either.