a guideline or principle that governs behavior or actions

a prescribed guide for conduct or action

कानून

English Usage: He broke the rule by not following the safety protocols.

Hindi Usage: उसने सुरक्षा प्रोटोकॉल का पालन न करके नियम तोड़ा।

to continue firmly in a course of action despite difficulty or opposition

कायम रहना

English Usage: She decided to persist in her studies despite the challenges.

Hindi Usage: उसने चुनौतियों के बावजूद अपनी पढ़ाई में कायम रहने का फैसला किया।