Middle Earth and Aman

Middle earth is just that continent, correct? We've talked before about the differece between aa and arda. They are two continentsthat youn. You can actually sail between them on rilgir. And it's got, it's also bounded by the great sea of beligir in the east. That's between middle earth and amon. Right? Rinoisi just aheads up for those who've never read this before; i kno we have several first time readers. Just to remind our middle earth is not the world.