A formal agreement or a standard practice, often used in politics or legal frameworks.

A large meeting or conference of people with a shared interest.

औपचारिक समझौता

English Usage: The two countries signed a convention to promote trade between them.

Hindi Usage: दोनों देशों ने व्यापार को बढ़ावा देने के लिए एक औपचारिक समझौता पर हस्ताक्षर किए।

Customary practice or behavior in a given context.

प्रथा

English Usage: It is a convention to shake hands when meeting someone for the first time.

Hindi Usage: पहले बार किसी से मिलने पर हाथ मिलाना एक प्रथा है।