Hi Denti,
Mine has some of those items as well of course, I just skipped them as they didn't pertain to the question.
You are right though (GNSS) or (GPS) following RNAV mean the same thing. My assumption that that was mainly used in the US was just that, an assumption, apparently wrong as they are in TXL as well.
I think your answer answers the OP's question the best! Clearly you are approved for RNP type operations! If you don't see those types of approval in the limitation section, then you are not authorized for RNP operations.
Interesting question though by the OP, forced me to do some studying as to nomenclature. 👍