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Use the 4 Cs of Writing (But Only If You Want Readers to Understand You)

Award-winning writer Kathy Widenhouse has helped hundreds of nonprofits and writers produce successful content , with 750K+ views for her writing tutorials. She is the author of 9 books. See more of Kathy’s content here.

Posted 7.12.25

“Why is it so hard to write clearly, and how can I make sure my readers understand what I’m trying to say?” Every week, I get those two questions from folks in my writing groups.

The answer? I use the 4 Cs of writing to write clearly (which I’ll explain in a minute).

But why can it be such a struggle to churn out clear, simple content?

Einstein: Explain it simply with Word Wise at Nonprofit Copywriter #WritingTips

Why is it so hard to write clearly?

I’ve uncovered two main reasons my content comes out as drivel.

1. To write clearly, you must understand your topic thoroughly.

“If you cannot explain it simply,” said Albert Einstein (1879–1955), German-born theoretical physicist and Nobel laureate, “you don’t understand it well enough.” Einstein would know. He was able to explain his Theory of Relativity to mere mortals.

Simple writing requires a thorough grasp of your topic.

The times when I write the most gibberish are when I’ve only taken a surface look at the subject. The topic is complicated. I don’t take the time to process the details or understand the jargon. Or I’m tired and I get lazy and don’t do the hard work of digesting my subject well enough so that I can wrap it in a concise package for my reader.

2. To write clearly, you must dump your pride.

You’ve crafted a beautiful turn of phrase. Or your explanation sounds like you’ve got three doctorates to your name. All well and good … but readers cannot understand you.

The point of writing is to create understanding. If my content is so elevated that a regular reader must consume it with a dictionary at his elbow, then it’s not helpful.

The 4 Cs of Writing with Word Wise at Nonprofit Copywriter #WritingTips

The 4 Cs of writing empower you to write clearly

The 4 Cs are a quick quality check for any writer — especially when you’re aiming for clarity and want to make your message stick, whether you’re writing articles, emails, website copy, marketing content, grant proposals, blog posts, or even an academic paper or a book. (My son, an attorney, uses the 4 Cs of writing to create his legal briefs.)

The 4 Cs of writing are …

  • Clear: Take pains to write in plain, simple English.
  • Correct: Check your facts. If you can’t find two sources to support a quote, piece of information, or statistic, then consider eliminating it.
  • Consistent: Be consistent in punctuation, spelling, abbreviations, and terminology — or you will litter your content with confusion.
  • Concise: Use an economy of words. Less is more. Short is better — short words. Short sentences. Short paragraphs. Better yet, bullet points.​

A couple of points to note.

Clear means ditch the jargon. If you can explain a principle without insider language, do so. Use as many 1- and 2-syllable words as you can. No, you don’t sound like a child. You are writing so that any reader can understand your point — quickly.

Correct does not always refer to correct grammar. When you write the way you talk, you’ll occasionally use sentence fragments in your content. To be “correct” means to be crystal clear in using correct information in your content. You don’t want to confuse your reader with half-truths. Honesty = correctness.

Consistent not only addresses your writing mechanics. Be consistent in presenting your main point. Choose one idea per piece of content and drive it home.

Concise and brief are not synonymous,” says America’s copywriter, Bob Bly. “Brief just means short. Concise means you tell the whole story, but in the fewest words possible.” Aim for an 8th-grade reading level or lower.

Variations of the 4Cs of writing

The 4 Cs of writing is a common framework with occasional variations, particularly in technical or academic writing.

Clear, Concise, Complete, and Correct . The 4 Cs of writing are embraced by the smart folks over at the Purdue University Global Academic Success Center, who replace consistent with complete.

Clear, Concise, Correct, and Compelling. Healthcare professionals at the American Nursing Association espouse the 4Cs, where they switch out consistent with compelling.

Still other sources replace consistent with coherent or credible. Yet clear, concise, and correct remain constant.

Why should you bother to write clearly?

“If a reader truly wants to read what I have to say, they’ll do the work to understand me.” Writers who embrace that approach may find themselves on a reader-less desert island.

Instead, think of your role as that of a translator. Your job is to grasp a central point and then communicate it so your reader can understand. The goal? Readability.

That’s why clear, correct, consistent, and concise win the day. When your writing is all of those, readers will understand you easily — and embrace your content.


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