A single movement made by lifting the foot and setting it down in a new position.

कदम

English Usage: She took a step forward to greet him.

Hindi Usage: उसने उसे मिलने के लिए एक कदम आगे बढ़ाया।

A fundamental truth or proposition serving as the foundation for a system of belief or behavior.

सिद्धांत

English Usage: He stands by his principles regardless of the situation.

Hindi Usage: वह स्थिति के बावजूद अपने सिद्धांतों पर कायम रहता है।