A specific area assigned for a particular activity or operation, often used in military contexts.

क्रिया क्षेत्र

English Usage: The soldiers were instructed to move into their designated zone of action.

Hindi Usage: सैनिकों को उनके निर्दिष्ट क्रिया क्षेत्र में जाने का निर्देश दिया गया।