nub of the concept
- noun
- The professor explained the nub of the concept using a simple diagram.
Examples
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After much discussion, she finally got to the nub of the concept.
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It's important to understand the nub of the concept before moving on to the details.
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The nub of the concept is quite complex.
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Can you explain the nub of the concept further?
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To grasp the theory fully, you must identify the nub of the concept first.
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By summarizing the main arguments, he highlighted the nub of the concept clearly.
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The nub of the concept is essential for understanding the broader implications of the study.
Synonyms
The most important central part of something
The main idea of something said or written
The most important part of a plan or project
A main idea in a talk or report
The most important part of a problem or discussion
The main point people argue about in a discussion
The most important part of a problem or discussion
The most important idea in a discussion or text
How Central
Surface Forms
Morphology
The meaning 'the central or most important part of an idea' is directly derivable from combining 'nub' (core/essential point) with the phrase 'of the concept' which simply specifies its domain; there is no idiomatic or metaphorical shift. This is a straightforward compositional noun phrase and follows common cross-linguistic patterns, so a B1 learner who knows the constituents would understand it.
Etymology
Nub of the concept may come from the old sense of nub meaning a small hard knob or bump that marks the centre of something. So, just as that tiny nub shows the centre, the phrase means 'the central or most important part' of an idea.