A naturally occurring separation or division, such as a river or mountain range, that serves as a limit or border.

An inherent or essential feature that sets limits or defines the scope of something.

स्वाभाविक सीमा

English Usage: The natural boundary of human experience is often determined by our senses.

Hindi Usage: मानव अनुभव की स्वाभाविक सीमा अक्सर हमारे इंद्रियों द्वारा निर्धारित होती है।