A limitation or control placed on an activity.

An official stipulation or regulation.

नियम

English Usage: The government imposed new restrictions on pollution.

Hindi Usage: सरकार ने प्रदूषण पर नए नियम लागू किए।

An exchange of goods and services, typically involving the buying and selling of products.

A system or field of commercial activity.

व्यापार क्षेत्र

English Usage: She works in international trade.

Hindi Usage: वह अंतरराष्ट्रीय व्यापार में काम करती है।