Day 3: Structure Your Prompt for 20 Easy Points

Day 3: three small lines about tone, format, and what to avoid can win you 20 points fast.

Welcome to Day 3. You have already worked on Completeness and Specificity. Today we go after Structure.

Structure is worth 20 points on the free prompt scorer. It is also the fastest 20 points to earn. You do not need more research or more detail. You need three short lines.

Here is the whole idea. Most people tell the AI what to write. They forget to say how to deliver it. Structure fixes that.

What "structure" actually means

When you write a prompt, you give the AI two kinds of information. The what is the topic and the task. The how is the shape of the answer.

Structure is the how. It answers three questions:

• What tone or voice should the answer use?
• What format should it come in?
• What should the AI leave out?

That is it. Three questions. Each one is a single line in your prompt. Skip them, and the AI guesses. Its guess is usually a flat, generic, slightly bloated answer.

This is part of prompt engineering, but it is the easy part. You are not learning a new trick. You are filling in three blanks you already know the answers to.

Set the tone in one line

Tone is the voice of the answer. Friendly or formal. Warm or sharp. Plain or technical.

The AI has no default tone that fits every job. If you stay quiet, it picks a safe middle voice. That voice is fine for nothing in particular and great for nothing at all.

Name the tone you want. One phrase does the work.

See the difference? The first version could come back stiff or panicked. The second one has a clear voice before the AI types a word.

Here are tone phrases you can paste in:

• "Tone: warm and encouraging."
• "Tone: direct and confident, no hedging."
• "Tone: professional but human, like a helpful colleague."
• "Tone: playful and light, but still clear."

Pin down the output format

Format is the shape of the answer. A list. A table. An email. A short paragraph. A 200-word summary.

This is where you save the most cleanup time. When you do not name a format, the AI defaults to long paragraphs. Then you spend five minutes turning them into the list you wanted all along.

Ask for the shape up front.

The right column wins every time. There is one clear way to deliver each one. The AI has nothing to guess.

A few format lines worth keeping handy:

• "Format: numbered list, 5 steps, one sentence each."
• "Format: a table with these columns: [name them]."
• "Format: a short email, under 120 words, with a subject line."
• "Format: 3 sections with bold headings."

The line almost nobody writes: "what to avoid"

Here is the most underused move in prompting. Tell the AI what not to do.

AI models have habits. They open with a long windup. They reach for words like "delve," "leverage," and "in today's fast-paced world." They hedge with "it depends" when you wanted a clear call.

You will delete those things anyway. So name them up front and skip the cleanup.

One line. It removes the parts you would have cut by hand.

Common "avoid" lines you can reuse:

• "Avoid: jargon, filler, and long intros."
• "Avoid: hedging. Give me your best single recommendation."
• "Avoid: bullet points. Write it as flowing prose."
• "Avoid: anything longer than one paragraph."

Put it together: one rewrite

Let's build a structured prompt from a weak one. Watch all three pieces land.

Here is the starting prompt. It is not bad. It just has no structure.

Give me tips for staying focused while working from home.

Now we add tone, format, and an avoid line.

Give me tips for staying focused while working from home.

Tone: friendly and practical, like a coworker sharing what works.
Format: a numbered list of 6 tips, one sentence each.
Avoid: generic advice like "make a to-do list," and any long intro.

Same topic. Same task. But now the AI knows the voice, the shape, and the traps to skip. The answer comes back ready to use.

You did not add research. You added three lines. That is the whole Structure section of the score.

Your Day 3 challenge

Time for the daily action. One rewrite, one re-score.

Most prompts jump from a handful of Structure points to near the full 20 with these three lines. That is a real bump for a few minutes of work.

If you want to skip the rewrite next time, the template builder bakes tone and format fields right into the prompt. You fill the blanks; the structure comes for free.

What carries into tomorrow

You now have three habits that earn the Structure points:

• Name the tone so the AI matches your voice.
• Name the format so the answer arrives in the right shape.
• Name what to avoid so you stop cleaning up the same mistakes.

These three lines are short. They are also the difference between an answer you fix and an answer you use.

Tomorrow we move to Enhancement, the last 20 points. That is where examples and reasoning come in, and where you tune the prompt to fit your model. See you on Day 4.

Keep going

Next → Day 4: Enhancement — Examples, Reasoning, and Model Fit

Or see the full Score Your Prompt: The 7-Day Challenge series.