I don’t know what you are trying to say here.
Are you arguing that naturalized citizens are not citizens? We’ve had plenty serve in Congress as Representatives and Senators.
If I didn’t cite enough paragraphs to satisfy you then by all means read the whole section.
Right now you sound thoroughly confused.
Only two categories of citizen:
Citizen by birth AKA natural born citizen
Citizen after birth AKA naturalized citizen
Everyone falls into one category or the other, period.
That’s what the source that you cited says.
I think that you are the one confused. Good night.