the central part made of iron in an object, often used in electromagnetic contexts

a figurative use referring to something strong or resilient at the center of an idea or concept

किसी विचार या अवधारणा के केंद्र में मजबूत या लचीला कुछ

English Usage: Her belief in justice is the iron core of her personality.

Hindi Usage: न्याय में उसका विश्वास उसकी व्यक्तित्व का केंद्रीय भाग है।