This summary is not the rule. The rule text controls.
In a Louisiana civil case, there are only a few types of written documents you can file with the court. These are petitions, exceptions, written motions, and answers. Every claim made in a lawsuit, whether it's the main case or a related side matter, has to use one of these four types of documents.
There's also a rule about responding to new points raised in the other side's paperwork. If someone files an exception, a motion, or an answer that brings up a new argument or fact, you don't need to file another document specifically denying it. The law automatically treats that new argument as denied or contested. This means you don't have to keep filing paper after paper just to say "I disagree" with each new point the other side raises.
This keeps the back-and-forth paperwork in a lawsuit simple. Instead of an endless chain of responses to responses, the law assumes both sides are disputing any new facts or arguments unless they specifically agree to them.