This is the 1372nd most frequent French word.
règle
Rule; ruler.
Used as 'rule' for an instrument to measure length.
La règle est une mesure longue de trente centimètres.
The ruler is a measure thirty centimeters long.
Refers to 'rule' as a guideline or regulation.
Il faut respecter la règle pendant le jeu.
You must follow the rule during the game.
Here, 'rule' represents universally accepted guidelines or principles.