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
a core issue
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a core issue" is correct and usable in written English.
It can be used to refer to a fundamental or central problem that needs to be addressed. Example: "The lack of communication between departments is a core issue that affects our overall productivity."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(17)
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
60 human-written examples
Waste disposal is a core issue worldwide.
Science
"It is a core issue of free speech," Mr. Guzofsky said.
News & Media
First, it is encouraging to see economic justice finally emerging as a core issue.
News & Media
"I don't think the exploitation of resources of Congo is a core issue," he said.
News & Media
The environment was not a core issue for any of them, including Obama.
Talk a little about that, because that is a core issue that emerges now.
The renewability assessment has seldom been a core issue in previous studies.
Science
In technology-mediated collaborations, enabling relevant visual cues is a core issue with existing technology.
Science
We have a candidate who is making legal reform a core issue and we certainly applaud Bush for that".
News & Media
A core issue in the case from its beginning in April 1989 has been the young men's videotaped confessions.
News & Media
The fate of the site is a core issue at the heart of the conflict between Israel and the Palestinians.
News & Media
Expert writing Tips
Best practice
When using "a core issue", ensure the context clearly establishes why the issue is fundamental or central to the topic being discussed.
Common error
Avoid labeling every problem as "a core issue". Reserve this phrase for problems that genuinely impact the fundamental aspects of the situation.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a core issue" functions as a noun phrase that identifies a central or fundamental problem. Ludwig AI confirms its correct usage. It serves to highlight an essential aspect requiring attention.
Frequent in
News & Media
30%
Science
40%
Formal & Business
30%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "a core issue" is a commonly used phrase to describe a fundamental or central problem. As confirmed by Ludwig AI, it is grammatically correct and widely accepted. Its frequency across news, scientific, and business contexts reflects its versatility in formal and neutral settings. When using this phrase, ensure that the issue truly represents a foundational aspect of the topic at hand. Alternatives such as "a central concern" or "a fundamental problem" can offer nuanced variations. Remember to avoid overusing the phrase to maintain its impact.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a central concern
Focuses on the importance of the issue as a matter of worry or interest.
a fundamental problem
Highlights the basic and essential nature of the problem.
a key challenge
Emphasizes the difficulty and importance of the issue as an obstacle.
a critical aspect
Stresses the decisive or crucial nature of the element.
a primary focus
Indicates that the issue is the main point of attention or effort.
a main priority
Highlights the importance of the issue in terms of what needs to be addressed first.
a crucial element
Emphasizes that the issue is essential and indispensable.
a significant factor
Highlights the importance of the issue in influencing a situation or outcome.
a pivotal question
Focuses on the issue as a turning point or decisive inquiry.
a central point
Emphasizes that the issue is the most important idea being discussed.
FAQs
How can I use "a core issue" in a sentence?
You can use "a core issue" to highlight a fundamental problem. For example, "Communication breakdown is "a core issue" in this project."
What's a good alternative to "a core issue"?
Consider alternatives like "a central concern", "a fundamental problem", or "a key challenge" depending on the specific nuance you wish to convey. For example, "Lack of funding is "a key challenge" for researchers."
When is it appropriate to use the phrase "a core issue"?
Use "a core issue" when you want to emphasize that a particular problem or topic is fundamental and essential to consider. This indicates that the issue significantly impacts the situation or outcome.
Is there a difference between "a core issue" and "an important issue"?
Yes, while both phrases highlight the significance of an issue, "a core issue" implies that the issue is fundamental or central. "An important issue" might simply mean the issue is noteworthy without necessarily being foundational.
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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested