A tool or piece of equipment designed for a specific task

A scheme or plan for achieving a specific goal

युक्ति

English Usage: The marketing team employed a clever device to attract customers.

Hindi Usage: मार्केटिंग टीम ने ग्राहकों को आकर्षित करने के लिए एक चौकस युक्ति का उपयोग किया।

A topic or matter being discussed or studied

A person or entity who is under study or observation

वस्तु

English Usage: The patient was the subject of a crucial medical trial.

Hindi Usage: मरीज एक महत्वपूर्ण चिकित्सा परीक्षण का विषय था।