The Difference Between a Subject and an Argument

Subject and argument in writing are often treated as the same thing — but the difference between them is one of the most important distinctions a writer can make, and one of the least discussed. A subject is what a piece is about. An argument is what a piece says about what it is about. The two are not the same, and a piece that has a subject but no argument is not yet a piece of writing — it is a topic waiting to become one.

This matters practically because many writers treat the identification of a subject as the identification of a piece. They have something they want to write about — revision, memory, the internet, solitude — and they begin writing towards it, assuming that the piece will find its argument in the process. Sometimes it does. More often, the piece that begins without an argument produces a draft that covers the subject without saying anything about it — competent, sometimes interesting, but ultimately without the point that would make it worth reading.

What the Difference Looks Like

The distinction between subject and argument in writing is clearest when you try to state what a piece is saying in one sentence.

A subject statement sounds like this: “This piece is about revision.” Or: “This piece is about how the internet has changed language.” These are accurate descriptions of territory, but they are not arguments. They do not tell the reader what the piece thinks about revision, or what it claims about the internet and language. A reader who encounters these descriptions knows what they will be reading about but not what they will be reading.

An argument statement sounds like this: “This piece argues that revision is where writing becomes what it is, not where it is corrected into shape.” Or: “This piece argues that the internet has changed not just how language is used but how language is thought.” These statements make a claim — they assert something that could be agreed with or disputed, that gives the reader a reason to read and a position to engage with.

The test is simple: can the statement be disagreed with? A subject statement cannot be disagreed with — “this piece is about revision” is not a claim that anyone would contest. An argument statement can be — “revision is where writing becomes what it is” is a position that another writer might challenge. If a statement of what a piece is doing cannot be disagreed with, it is describing a subject rather than making an argument.

Why Writers Stay at the Subject

There are several reasons why writers remain at the level of subject rather than developing an argument, and most of them are understandable.

The first is uncertainty. A writer who has not yet worked out what they think about a subject cannot make an argument about it. They know the territory but not their position within it. Writing at the subject level is, in this case, a reasonable first step — the thinking that will produce an argument is done through writing, and the argument that emerges from a draft can then become the foundation for a revised piece that actually makes it.

The second is caution. An argument is a commitment — it says something specific that can be found wrong, or partial, or poorly supported. A piece that stays at the subject level makes no such commitment and carries no such risk. This is comfortable, but it produces writing that asks nothing of the reader because it offers nothing to engage with.

The third is a misunderstanding of what writing is for. A writer who believes the purpose of a piece is to inform the reader about a subject — to cover the territory — will produce subject-level writing. A writer who believes the purpose is to say something about the subject — to take a position that the reader can engage with — will produce argument-level writing. The second kind is harder to write and more worth reading.

How to Move from Subject to Argument in Writing

Moving from subject to argument in writing requires the writer to answer a question that subject-level writing avoids: what do I actually think about this?

This sounds simple and is often not. A writer with a subject has identified what they want to write about but not what they want to say. The movement to argument requires taking a position — deciding not just what the territory is but what is true about it, what is interesting about it, what the reader should understand differently after having read the piece.

The most reliable route between subject and argument in writing is through the notes stage — the questions that surface the writer’s actual thinking before the draft commits to a direction. What is surprising about this subject? What does the obvious view miss? What would a reader who disagreed with me say, and is that objection strong enough to require addressing? These questions tend to produce an argument where a subject existed before.


The difference between a subject and an argument in writing is the difference between a piece that exists and a piece that does something. Both require a subject. Only the second requires the writer to have thought carefully enough about the subject to have something to say about it.

A subject is where a piece starts. An argument is where it arrives. The distance between the two is where the writing happens.

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