You should be because the concept of .NET changed over the years. When first announced, it was supposed to be Microsoft's alternative to Java. In their internal

You should be because the concept of .NET changed over the years. When first announced, it was supposed to be Microsoft's alternative to Java. In their internal documents, they defined it as infrastructure centered around MS SQL Server. With time, things developed and the initial vision changed a few times. So yes, it's a mess name-wise.