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This page is a workbook. Fill in each section, and expand a concept review if you want the reasoning behind a section before you answer. You can complete the whole brief without opening one. Grayed E.g. text is an example to delete. Every example uses one invented company, Doughnut Labs, a SaaS company that sells disruptive Doughnut Technology, working on a single angle so you can see one brief taking shape.
One filled copy of this brief is one angle. An angle is not one ad and not one campaign: it is an argument that several ads, on several channels, will each execute differently.Once the sections here are familiar, the angle template is the same structure with the explanations stripped out.
1

Write the proposition

One sentence someone could agree or disagree with. Everything else is checked against it.
2

Name the person and the belief

Who it speaks to, and what they currently think that the angle has to work against.
3

Back it and bound it

The proof that makes it credible, and what it must never be stretched into claiming.
4

Draft hooks, then file it

Three or more ways into the same argument, then a row in the library.

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Setup

The angle name and the short form do different jobs. The name is how the team refers to the argument in a conversation, so it wants to be memorable rather than descriptive. The short form is what travels into ad names and reports, where a report joins on exact strings and a name typed slightly differently the second time becomes a second angle nobody meant to create.The type row connects this brief to the dictionary that already exists in the ad naming conventions. That dictionary owns the closed list of argument kinds, because a report needs a small set to group by. This brief owns the argument itself. Keeping the two separate is what lets a library hold forty angles while a report still groups them into six columns.

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1. The proposition

In one sentence, what is the argument? Write it so someone could agree or disagree with it: E.g. The four hours you spend rebuilding the Monday report could be spent reading it.
If the sentence could sit on any competitor’s site unchanged, it is a category statement rather than an angle. “Save time on reporting” is something every tool in the market claims. An angle is specific enough that someone could read it and decide it is not about them.
The disagree test is doing more work than it looks like. A sentence nobody could disagree with is not persuading anyone, because it is not asking anything of the reader. “Reporting is important” passes unnoticed. “The rebuilding, not the reading, is what is eating your Monday” can be rejected, which means it can also land.Writing it as a full sentence is what makes the rest of the brief checkable. A hook either delivers that sentence or it does not. A proof point either supports it or it supports something else. Without the sentence, every later decision gets argued from taste, and the angle quietly becomes whatever the last person to touch it thought it meant.Angles also differ in how much they carry. Some are narrow and only work at one funnel stage; others sit underneath a whole quarter of creative. The stage line is where that gets recorded, so an angle built for cold traffic does not get quietly reused on a retargeting audience that has heard it four times.

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2. Customer profile and the belief

Link the customer profile this angle speaks to, and name what they currently believe that it has to work against: Who this angle is not for: E.g. Teams with no recurring report. The argument has nothing to bite on.
An angle is the sentence where a product truth meets a customer belief. Take either one away and it stops being an angle. The product truth on its own is a feature: accurate, and no reason to care. The belief on its own is an insight: it describes a person and asks nothing of them.That is why this section comes before the proof. Proof selected with no belief in mind tends to be whatever number was easiest to find, and it ends up answering a question the reader was not asking.The “not for” line earns its place because angles spread. An argument that works on one profile gets reused on a second because it is already made and the creative already exists, and the result underperforms in a way that looks like creative fatigue. Recording who it was never meant for makes that reuse a visible decision instead of a drift.

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3. Proof

What makes the proposition credible rather than asserted?
Proof is what separates an angle from a slogan. The proposition makes a claim; this section is the reason someone should accept it. A number, a mechanism, a demonstration, or a customer’s own words all do more than an adjective.The cleared column exists because proof ages differently from the argument it supports. A statistic from a survey two years old still reads as current in an ad, and the angle it supports can outlive the evidence underneath it by a year without anyone noticing. Recording when a proof point was last checked is what surfaces it at review, before a customer or a regulator surfaces it for you.Angles vary in how much proof they need. An outcome angle claiming a specific result usually needs a number behind it. An identity angle, which works by recognition rather than by evidence, may need very little, and forcing a statistic into it can make it read as a sales pitch instead. What matters is that the proof matches the kind of claim being made.

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4. Hooks this angle can produce

Draft at least three ways into the same argument. These are starting points for writers, not final copy:
If you cannot write three hooks that differ by more than wording, the angle may be narrower than it looked. Better to know that before production starts.
A hook is one execution of the angle, and the angle is what survives when a hook stops working. Keeping several in the brief is what makes that survival practical: when a creative tires, the next one comes from this table rather than from a fresh strategy session.The three-hook exercise doubles as a test of the angle. An argument broad enough to be worth production can usually be entered from several directions: the cost of the status quo, the moment of relief, the absurdity of the current process. An argument that only supports one phrasing is often a headline that has been mistaken for an angle.What counts as a good hook is genuinely channel-dependent, which is why the format column is here rather than a rule. What earns attention in a cold scroll and what earns it in a search result are different problems, and the same angle has to enter differently in each.

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5. Where it runs

An angle is channel-agnostic in principle and rarely in practice. The same argument has to be made in three seconds of video, in a thirty-character headline, and in a subject line, and it does not always survive all three. An angle that depends on a slow build will not work in search; one that depends on a specific number may be the only kind that does.Recording where an angle actually runs also turns the library into something a diversity check can be run against. An account can hold twelve angles and still be running one argument, if eleven of them only ever went live on one channel.

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6. Guardrails

What must this angle never be stretched into claiming?
  • E.g. That reporting becomes fully hands-off. It does not, and support pays for the gap.
  • E.g. A specific hours-saved number for an individual account. The 4.2 figure is a median.
  • [add guardrail]
Approvals this angle needs: E.g. Legal review on any time-saving claim carrying a number. Cleared 2 Aug.
Angles drift under production pressure. Each new execution reaches slightly further than the last, because the previous one worked and a stronger version of it should work harder, and no single step looks like an overclaim. The gap between the approved argument and the running one opens gradually.Writing the boundary at the angle level, rather than catching it per ad, is what makes that drift checkable. A reviewer looking at one ad sees a claim that seems defensible. A reviewer holding this list sees whether it is the claim that was approved.This is also where an angle interacts with legal review. An approval given on a specific claim does not extend to the argument in general, and where an approval carries a condition, the condition has to survive into formats that assemble themselves.

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7. Measurement and review

An angle and a creative fail in different ways, and the response to each is different. A creative that underperforms while its angle performs elsewhere is an execution problem, answered with a new hook. An angle underperforming across every execution is an argument problem, and producing more creative against it spends money on a question already answered.Separating the two requires that performance can be grouped by angle at all, which is what the type value in the ad name is for. Without it, every angle result is a creative result, and the account keeps relearning the same thing.The read date matters because angles do not announce their own decline. Nothing in a platform ever suggests that an argument has stopped earning its place, and a scheduled read is the only thing that reliably catches an angle still running on a proposition the audience exhausted two months ago.

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8. Status

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Build order recap

1

The proposition is one sentence someone could disagree with

Not a category statement any competitor could also make.
2

A profile and a belief sit behind it

Including who it is deliberately not for.
3

Proof matches the kind of claim being made

With a date on when each point was last cleared.
4

At least three hooks exist, differing by more than wording

So the next creative does not need a new strategy session.
5

Filed in the angle library with a type and a read date

So the coverage check can see it.
Last modified on August 13, 2026