Avoiding Jargon: How to Explain Complex Ideas Simply

2026-06-14 · CopyRefine

Every industry has its own language. Lawyers talk about “consideration” and “tort.” Doctors use terms like “idiopathic” and “contralateral.” Software developers discuss “asynchronous APIs” and “idempotent endpoints.” To an insider, jargon is efficient. To an outsider, it is a wall.

If your goal is to communicate clearly with a broad audience, jargon is one of the biggest obstacles you face. In this post, we will explore why jargon alienates readers, how to replace it with plain language, and what techniques the best explainers use to make complex ideas accessible.

Why Jargon Alienates Readers

Jargon creates an invisible barrier between the writer and the reader. When someone encounters a term they do not understand, several things happen:

  • Cognitive load spikes. The reader has to pause and guess the meaning, which breaks the flow of reading.
  • Frustration builds. Repeated unfamiliar terms make the reader feel excluded or inadequate.
  • Trust erodes. If the reader cannot understand your message, they cannot evaluate it. They may suspect you are using jargon to obscure weak arguments.
  • Abandonment. When reading becomes too much work, most people simply stop.

Research from the Nielsen Norman Group confirms that jargon reduces comprehension and increases task completion time. In one study, users were 61% more likely to successfully complete a task when instructions used plain language instead of technical terms.

The “Grandmother Test”

One of the simplest quality checks for clear writing is the grandmother test. Imagine explaining your idea to your grandmother (or any intelligent person outside your field). Would they understand it? If not, you need to simplify.

The grandmother test does not mean “dumb down” your content. It means prioritize understanding over impressiveness. Your grandmother is not stupid — she just does not have your specialized vocabulary. If you cannot explain your idea to her, you probably do not understand it well enough yourself.

Techniques for Explaining Complex Ideas

Analogy

An analogy compares an unfamiliar concept to something familiar. It bridges the gap between what the reader already knows and what you want them to learn.

Example: “A firewall is like a bouncer at a club. It checks everyone who tries to enter and only lets in people who are on the guest list.”

The best analogies are drawn from everyday experience. Avoid using an analogy that itself requires explanation. If you have to explain the analogy, you have defeated the purpose.

Metaphor

Metaphors go further than analogies by declaring that one thing is another. They create vivid mental images that stick in the reader’s mind.

Example: “Memory is the desk where your computer does its current work. The hard drive is the filing cabinet where everything is stored long-term.”

Metaphors are especially useful for abstract concepts like time, data, and relationships. They give readers a concrete handle on something intangible.

Concrete Examples

Abstract statements are hard to grasp. Concrete examples make them real. Whenever you make a general claim, follow it immediately with a specific example.

Abstract: “Our platform improves operational efficiency through automated workflow optimization.”

Concrete: “Instead of manually sending 50 invoices every Friday, our platform does it automatically in 30 seconds.”

Notice how the second version paints a picture. You can see the person not doing the work. That is the power of concreteness.

Before and After: Jargon vs. Plain Language

The best way to learn is by example. Here is a table comparing jargon-heavy writing with plain language versions:

Context Jargon-Heavy Plain Language
Tech “Our solution leverages a scalable microservices architecture to facilitate seamless data orchestration across distributed environments.” “Our system breaks big tasks into smaller pieces, so your data always flows smoothly, even as you grow.”
Finance “We offer diversified asset allocation strategies with optimized risk-adjusted returns across multiple market segments.” “We spread your investments across different areas to balance risk and return, so you do not lose everything if one market drops.”
Healthcare “The patient presents with acute myocardial ischemia requiring immediate percutaneous coronary intervention.” “The patient is having a heart attack and needs emergency surgery to open the blocked artery.”
Legal “The party of the first part hereby indemnifies and holds harmless the party of the second part.” “Company A agrees to cover any losses that Company B suffers because of this agreement.”

Industry-Specific Tips

Technology

Tech writing is particularly prone to jargon because the field evolves so quickly. New terms appear constantly. When writing for a non-technical audience, avoid acronyms unless you define them first. Instead of “API,” say “a way for different programs to talk to each other.” Instead of “SaaS,” say “software you use over the internet instead of installing on your computer.”

Finance

Financial jargon is notorious for confusing consumers. Terms like “amortization,” “derivative,” and “arbitrage” are meaningful to professionals but meaningless to most people. When writing about money, use concrete numbers and everyday scenarios. “Your monthly payment will be $450” is clearer than “the amortization schedule reflects a 30-year fixed-rate structure.”

Healthcare

Medical jargon can have serious consequences when patients misunderstand their own health information. Studies show that patients who understand their discharge instructions are significantly less likely to be readmitted. Use plain anatomical terms and explain procedures in terms of their purpose, not their technical name.

How CopyRefine Can Help

CopyRefine’s Readability Score tool can help you identify sections of your writing that may be too complex for your target audience. By running your drafts through the tool, you can see exactly where your readability dips and make adjustments before publishing.

Similarly, our Filler Word Detector helps you eliminate verbal clutter that often accompanies jargon-heavy writing. When you strip away the fluff, your message becomes clearer and more direct.

The Habit of Simple Writing

Avoiding jargon is not about dumbing down. It is about showing respect for your reader by meeting them where they are. Some of the most brilliant minds in history — Einstein, Feynman, Sagan — were also among the clearest communicators precisely because they could explain their complex ideas in simple terms.

The next time you write, ask yourself: “Could my grandmother understand this?” If the answer is no, rewrite it. Your readers will thank you.