核心 (かくしん) Japanese meaning | KotomoraCommon wordJLPTN1Freq.FrequencyTop 20,000 Meanings
1
noun
core; heart; crux; kernel
Refers to the central, most important part of a matter, problem, or argument. Often used in analytical or explanatory contexts.
彼の説明は核心を突いていた。
His explanation hit the heart of the matter.
