>The point is, America is a Continent. Not a country. It just a incorrect use of this name. It's sounds Shocking if I visit you and you say "Welcome to America" (I've been always in America)
>

The United States of America is a country. Look on a map - it's that big thing between the North Atlantic and North Pacific oceans that borders Mexico and Canada. It's been stuck in there for over 200 years.

I'm an American. I live in the United States of America.