This is the 940th most frequent Russian word.
правила
Rules.
In this sentence, 'правила' refers to guidelines or regulations that dictate proper behavior.
Она внимательно изучила правила поведения на дороге.
She carefully studied the rules of behavior on the road.
Here, 'правила' is used to express regulations or standards that must be adhered to.
Мы должны следовать правилам, чтобы избежать неприятностей.
We must follow the rules to avoid troubles.
In this context, 'правила' pertains to the formal set of instructions that govern the conduct of a game.