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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
key principles
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "key principles" is correct and commonly used in written English.
It refers to the main or fundamental ideas or rules that guide something. Example: "When designing a new product, it is important to keep in mind the key principles of user-friendliness and efficiency."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(16)
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
We've identified four key principles.
This would mean rewriting the key principles.
News & Media
based on a set of key principles.
Academia
In or out, two key principles would help.
News & Media
There are some key principles to follow to improve CPD.
News & Media
"But there were key principles that were very basic".
News & Media
Four key principles underpin an effective corporate diplomacy strategy.
News & Media
The STMicroelectronics story illustrates the two key principles of repeatability.
News & Media
He talks about two key principles around mobile internet.
News & Media
This reform bill must be built around three key principles.
News & Media
Their key principles are be first, be right, be credible.
News & Media
Expert writing Tips
Best practice
Use "key principles" to frame the core values of your project or organization, ensuring they are easily understood and remembered.
Common error
Avoid stating "key principles" that are too broad or vague. Ensure they are specific and actionable to provide meaningful guidance.
Source & Trust
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "key principles" primarily functions as a noun phrase. It typically acts as a subject or object in a sentence, referring to the most important rules, ideas, or guidelines. This is supported by Ludwig's examples, where it's used to introduce essential concepts in various fields.
Frequent in
News & Media
39%
Academia
28%
Science
11%
Less common in
Formal & Business
9%
Encyclopedias
3%
Ludwig's WRAP-UP
In summary, the phrase "key principles" is a grammatically correct and very common noun phrase used to emphasize the most important concepts, rules, or guidelines in various contexts. As Ludwig AI confirms, it adheres to standard English grammar and is widely used across diverse sources. Its primary function is to highlight fundamental ideas, provide guidance, and establish a foundation for understanding a topic. The phrase is most frequently found in news and media, academic, and scientific sources, indicating a generally neutral to formal register. When using "key principles", ensure they are specific and actionable to offer meaningful guidance and consider alternatives like "core tenets" or "fundamental concepts" depending on the context.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
core tenets
Focuses on beliefs or doctrines that are central to a particular system or ideology.
fundamental concepts
Highlights the basic and essential ideas underlying a subject or theory.
basic tenets
Similar to 'core tenets', emphasizing the foundational beliefs.
essential elements
Emphasizes components that are indispensable or necessary.
core ideas
Focuses on central thoughts or notions.
guiding principles
Stresses the role of these principles in providing direction or influence.
central concepts
Emphasizes the importance of certain concepts within a broader framework.
basic guidelines
Refers to fundamental rules or recommendations.
foundational rules
Highlights the role of these rules in establishing a base or structure.
underlying principles
Emphasizes that these principles form the basis or foundation.
FAQs
How can I use "key principles" in a sentence?
You can use "key principles" to introduce the most important concepts or rules related to a specific topic. For example, "These are the "key principles" of effective project management".
What are some alternatives to "key principles"?
Alternatives include "core tenets", "fundamental concepts", or "guiding principles". The best choice depends on the specific context.
Are "key principles" the same as "essential principles"?
While similar, "key principles" emphasizes the most important concepts, while "essential principles" suggests ideas that are absolutely necessary. The terms are often interchangeable, but the subtle difference can matter in certain contexts.
In what contexts is it appropriate to use the phrase "key principles"?
The phrase "key principles" is appropriate in a wide range of contexts, including academic papers, business reports, and news articles. It is suitable for any situation where you need to highlight the most important ideas or rules related to a particular topic.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested