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
which centers on
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "which centers on" is correct and usable in written English.
It can be used to indicate the main focus or subject of a discussion, argument, or piece of writing. Example: "The research paper presents a comprehensive analysis which centers on the impact of climate change on biodiversity."
✓ Grammatically correct
News & Media
Science
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
59 human-written examples
The clues have helped players deduce the outline of the game, which centers on a lost Olympic sport that one plays blindfolded.
News & Media
Later, we discussed the 2004 film "Bad Education," which centers on two friends in a Catholic school, one of whom has been sexually abused by a priest.
News & Media
Then comes "Alice in Arabia," which centers on yet another teenage gal, a rebellious one.
News & Media
The film, which centers on the sexual machinations of powerful men, reeks of impunity.
News & Media
The museum is offering Family Fun Day, which centers on its show "Bold Strokes: California Watercolors".
News & Media
The stakes are also enormous for Pixar's "Brave," which centers on a Scottish princess.
News & Media
The new season, which centers on the lead-up to a mock tour, is scheduled to begin in early January.
News & Media
The roots of the latest Ginsburg conspiracy are with QAnon, which centers on cryptic messages posted on anonymous online forums.
News & Media
But the absolute winner at our table was Mr. Laprise's nightly tour de force, which centers on warm foie gras.
News & Media
Some of the young doctors surveyed were enrolled in a traditional training "track," which centers on inpatient and subspecialty care.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
Through the years, VDG's mission which centers on creating high-quality, innovative designs has remained the same.
News & Media
Expert writing Tips
Best practice
Use "which centers on" to clearly define the core subject of a discussion or analysis. This helps readers quickly understand the main point.
Common error
Avoid using "centers" as a direct verb without "which" or a similar relative pronoun. For example, instead of "The movie centers around X", use "The movie, "which centers on" X" or "The movie centers on X".
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "which centers on" functions as a relative clause that modifies a noun or noun phrase, specifying the main subject, theme, or focal point. This is evident from Ludwig's examples, where it introduces additional information about the noun it modifies.
Frequent in
News & Media
86%
Science
7%
Formal & Business
3%
Less common in
Encyclopedias
0%
Wiki
0%
Academia
0%
Ludwig's WRAP-UP
In summary, "which centers on" is a versatile and grammatically sound phrase used to introduce a relative clause that specifies the main focus or subject of something. Ludwig AI's analysis confirms that it's widely used across various contexts, particularly in news and media. While alternatives like "that focuses on" or "which revolves around" exist, "which centers on" provides a clear and direct way to highlight the core element being discussed. When using the phrase, ensure it correctly introduces the central theme and avoid misusing "centers" as a direct verb without the appropriate relative pronoun.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
that focuses on
Emphasizes a specific point of attention.
which revolves around
Suggests a central point around which everything else is organized.
that is focused on
Passive voice emphasizing the direction of attention.
which is based on
Highlights the foundation or core element.
that hinges on
Implies a critical dependency or turning point.
which concentrates on
Indicates a strong focus or concentration of effort.
that turns on
Suggests a pivotal element that determines the outcome.
which is concerned with
Implies a focus on relevance or importance.
that addresses
Highlights the act of dealing with a particular subject.
whose theme is
Focuses on the overarching subject or idea.
FAQs
How can I use "which centers on" in a sentence?
Use "which centers on" to introduce a relative clause that specifies the main topic or focus of something. For example, "The project, "which centers on" renewable energy, is gaining momentum."
What are some alternatives to "which centers on"?
Alternatives include "that focuses on", "which revolves around", or "that is focused on depending on the context".
Is it correct to say "that centers on" instead of "which centers on"?
Yes, "that centers on" is also correct and often interchangeable with "which centers on", especially in restrictive relative clauses. However, in non-restrictive clauses, "which centers on" is preferred.
What's the difference between "which centers on" and "which is based on"?
"Which centers on" indicates the main subject or focus, while "which is based on" suggests a foundation or underlying principle. For example, a story "which centers on" a character might be "which is based on" real events.
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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested