The distance over which something, such as a weapon or a signal, is effective.

The range within which a particular method, strategy, or technique yields favorable outcomes.

प्रभावी सीमा

English Usage: The effective range of this marketing strategy is primarily within urban areas.

Hindi Usage: इस विपणन रणनीति की प्रभावी सीमा मुख्य रूप से शहरी क्षेत्रों में है।