Fedora immutable distros are image based, so yes, the base system is a pre-made unit, over which you can layer minor packages but not something as extensive as

Fedora immutable distros are image based, so yes, the base system is a pre-made unit, over which you can layer minor packages but not something as extensive as an alternative DE. Hence so many spins, as well as separate versions for stuff like Nvidia cards, Asus machines and so on.