This is the 606th most frequent Italian word.
regole
Rules.
In this sentence, 'regole' is used to refer to regulations or guidelines set in a formal institutional context.
Le regole della scuola sono chiare.
The school rules are clear.
Here, 'regole' implies unwritten or tacit societal norms or expectations.
Non tutte le regole sono scritte su un foglio.
Not all rules are written on a piece of paper.
This usage of 'regole' pertains specifically to instructions or guidelines governing the actions within a structured activity like a game.