How can I practice explaining a difficult idea in plain language?
Quick answer
Choose one idea and identify what your listener needs to understand. Explain it in a few short sentences using familiar words and one example. Then ask someone to tell you what they understood, or read your explanation as if you were new to the topic. Compare it with the original source: check the main point, conditions, and exceptions. Revise anything unclear, but don’t simplify away a qualification that changes the meaning.
The question, the details, the next step.
I understand an idea when I read about it, but I struggle to explain it simply. How do I practice?
Treat it as a short exercise, not a test of whether you’re naturally good at explaining. Start with one idea—not an entire chapter or topic—and write down what the listener should be able to understand afterward. For example: “After this explanation, the listener can tell when the rule applies.” That gives you a target.
Make a rough explanation in three parts: the main idea, how it works or when it applies, and one example. Use ordinary words where they work, but keep any technical term that is necessary. If you keep a term, explain it in the sentence rather than assuming the listener already knows it.
Can you show me what that looks like? I’m not sure how to make an example without making the explanation too long.
Here’s a practice example using an invented rule, so the focus stays on the explaining method. Imagine a library game with this rule: “A player may borrow one extra book if they return their current book before the weekly deadline.”
A plain-language version could be: “If you return your book before the deadline, you can borrow one more. Returning it late doesn’t earn the extra borrow.” It’s short because it connects the rule to a simple decision: was the book returned before the deadline? It also keeps the condition. A too-short version—“Returning a book gets you another”—leaves out the deadline and could change the meaning. For a real idea, choose an example that makes the important condition visible.
How do I tell whether my version is actually clear, rather than just sounding clear to me? And what if I don’t have someone available to give feedback?
Try a “teach-back”: ask a listener to explain the idea in their own words or say what they would do in a simple example. Don’t ask only, “Does that make sense?” A person may say yes without noticing a gap, and you may not learn which part needs work.
If you’re practicing alone, put the draft aside briefly, then read it as someone new to the material. Mark any word that needs a definition, any sentence that assumes a step, and any unclear “it,” “this,” or “they.” You can also invent a small test case and check whether your explanation makes the outcome clear. Read it aloud, too: if a sentence piles up several ideas or is hard to follow, revise it. That’s a prompt to inspect the wording, not proof that the idea is wrong.
I worry that simplifying will make me inaccurate. What exactly should I compare with the original?
Keep the original source beside your draft and compare meaning, not wording. Check the central point, the conditions under which it applies, any exception or limitation, and what the source does not say. Circle a sentence in your explanation that sounds broader or more certain than the source, then revise it.
For the invented library rule, “Return a book and you can always borrow another” would be inaccurate because it drops the deadline. A safer version keeps that condition plainly: “Return your current book before the weekly deadline, and you may borrow one extra book.” You don’t need every detail in the first explanation, but preserve details that change the meaning and signal when you’ve left out extra detail.
For a repeatable practice card, write down: the idea; the listener and goal; the main point; the condition or limitation that matters; a three-to-five-sentence explanation; one example; what you checked against the original; and what you’ll revise. If several qualifications are needed for accuracy, include them instead of forcing the idea into an oversimplified slogan.
A practical checklist
Choose one idea and state what the listener should understand.
Draft a short explanation with the main point and its important condition.
Use one example that shows how the idea applies.
Ask for a teach-back or test the explanation with a small case.
Compare the draft with the original and restore any missing qualification.
Revise unclear wording without claiming more than the source supports.
A few more useful answers
How short should a plain-language explanation be?
Start with three to five sentences, but use more if a qualification is necessary to preserve the meaning. Clarity matters more than hitting a word count.
Should I remove every technical word?
No. Keep a term when it is useful or necessary, and explain it in familiar language the first time you use it.
What if the original source is itself unclear?
Don’t guess at the intended meaning. Note what is ambiguous, explain only what the source clearly supports, and seek clarification from someone responsible for the material if needed.