Growth system
Campaign strategy

A better brief starts with the decision

Aug 14, 2026|
GL
Growth Lab

A useful marketing brief starts with the decision the audience needs to make, then works backward into message, proof, channel, and creative requirements.

A brief is a decision document before it is a creative document

Many briefs begin with deliverables: three ads, a landing page, five social posts, a video. That tells the team what to make, but not what the work needs to accomplish.

A stronger brief starts with a decision. Who is the audience, what are they doing or believing now, and what change should the campaign create?

Write the audience decision in one sentence

Try this structure: “We need [audience] to move from [current belief or behavior] to [desired belief or action] because [reason this matters now].”

The sentence does not need to appear in the final campaign. It gives the team a shared job to solve.

If the sentence is fuzzy, creative exploration will be fuzzy too.

Separate the problem from your solution

A brief should explain the audience problem in language the audience would recognize. Avoid writing the problem as “people do not understand our product.” That usually describes the company’s frustration, not the customer’s situation.

Use research: interviews, sales calls, support notes, search queries, reviews, and behavior. Pull out the moments where people describe the cost, uncertainty, objection, or desired outcome in their own words.

Build a message hierarchy

Not every point deserves equal weight. Decide:

  • the main promise or idea
  • the strongest evidence that makes it believable
  • the objections that need an answer
  • the action the audience should take next
  • the details that are helpful but secondary

This hierarchy prevents a page or ad from becoming a list of everything the company wants to say.

Add the constraints that change the work

Channel, audience awareness, offer, legal requirements, brand voice, production limits, and measurement all change how the idea should be expressed.

Include only constraints that affect the decision or execution. A ten-page brand history rarely helps a copywriter choose the next sentence.

Use AI to pressure-test, not to invent strategy

AI can help identify contradictions in the brief, generate alternative message angles, summarize customer language, or ask what evidence is missing. It should not invent customer research, proof, or positioning and present those guesses as facts.

A useful prompt asks the model to distinguish what is supported, what is assumed, and what still needs evidence.

End with a creative question

A good brief leaves room for creative thinking. Instead of prescribing the exact headline, end with a question such as: “How can we make the cost of the current workflow feel concrete without exaggerating it?”

That gives the creative team a problem worth solving while keeping the strategic decision clear.

Put the idea to work

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