A specific area exhibiting energy or activity, often used in scientific or technical contexts.

An area within a context in which something is happening or is being monitored.

एक ऐसा क्षेत्र जिसमें कुछ हो रहा है या जिस पर नजर रखी जा रही है

English Usage: The active region of the project showed promising results in the first phase.

Hindi Usage: परियोजना के सक्रिय क्षेत्र ने पहले चरण में आशाजनक परिणाम दिखाए।