An opening through which a key is inserted to unlock a door.

A metaphorical term for a narrow view or perspective.

संकीर्ण दृष्टिकोण

English Usage: Looking through the keyhole of societal norms, we noticed many flaws.

Hindi Usage: सामाजिक मान्यताओं के ढक्कन के लिए छिद्र से देखते हुए, हमने कई दोष देखे।