Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
core concept
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "core concept" is correct and commonly used in written English.
It refers to the central or essential idea or theme of a sentence, paragraph, or larger piece of writing. Example: In this essay, the core concept is the importance of education in promoting social equality.
✓ Grammatically correct
News & Media
Science
Encyclopedias
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
58 human-written examples
Here, the core concept remains.
News & Media
But the core concept is kind of stupid.
News & Media
Markets are dynamic, the core concept is constant".
News & Media
The report barely mentions great-power diplomacy, the traditional core concept of statecraft.
News & Media
His famous phrase "resistance of despair" is commonly considered a core concept of his thought.
Encyclopedias
Well, O.K., those weren't the exact lyrics, but she expressed the core concept.
News & Media
These projects are based on the core concept of transitioning ownership of the network to the diaspora community.
News & Media
The core concept here is that government must accommodate religious beliefs that conflict with laws of general application.
News & Media
The core concept in each case has evolved over time, though the environment is much further along.
News & Media
Thiel explained: "Very unusually for a Presidential candidate, he has questioned the core concept of American exceptionalism.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
The core concepts behind the software were nurtured at Google.
News & Media
Expert writing Tips
Best practice
When introducing a "core concept", ensure it's clearly defined and consistently referenced throughout your writing to maintain clarity and coherence.
Common error
Avoid assuming your audience is already familiar with the "core concept". Always provide sufficient background information and context to ensure they grasp its significance.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "core concept" functions as a noun phrase identifying the central or most important idea within a given context. Ludwig AI indicates it's a common and grammatically correct expression used to highlight fundamental aspects.
Frequent in
News & Media
34%
Science
31%
Encyclopedias
5%
Less common in
Wiki
3%
Formal & Business
2%
Academia
0%
Ludwig's WRAP-UP
The phrase "core concept" is a frequently used and grammatically sound noun phrase, as confirmed by Ludwig. It serves to highlight the central and most crucial idea within a specific context. Its versatility is evident in its widespread use across various domains, including News & Media, Science, and Encyclopedias. To enhance writing, ensure the "core concept" is clearly defined and consistently referenced. Common errors involve assuming prior knowledge, so providing sufficient context is essential.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
central idea
Focuses on the main thought or notion.
essential notion
Stresses the necessity and abstract nature of the concept.
fundamental principle
Emphasizes the foundational aspect of the concept.
basic tenet
Implies a principle or belief that is a standard.
key element
Highlights the importance of the concept as a component.
underlying theme
Indicates a recurring idea that connects different parts.
primary focus
Highlights the main area of attention or concentration.
chief aspect
Emphasizes the most important feature or characteristic.
heart of the matter
Signifies the most crucial part of a discussion or issue.
gist
Refers to the main point or essence of something.
FAQs
How can I effectively introduce a "core concept" in my writing?
Begin by defining the "core concept" clearly and concisely. Then, provide context and explain its relevance to your topic. Use examples and analogies to enhance understanding.
What are some alternative ways to express the idea of a "core concept"?
You can use phrases like "fundamental principle", "central idea", or "key element" to convey a similar meaning.
Why is it important to clearly define the "core concept" in an academic paper?
A clear definition of the "core concept" ensures that your readers understand the foundation of your argument and can follow your reasoning effectively. It also prevents misinterpretations and strengthens the credibility of your work.
How does the "core concept" relate to the supporting details in a text?
The "core concept" serves as the main idea, while the supporting details provide evidence, examples, and explanations that elaborate on and reinforce the concept. All elements should work together to create a cohesive and persuasive argument.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested