Structured data, explained without the jargon.

What makes something a fact rather than a sentence

"Just get in touch if there's a problem" is a sentence. "Returns accepted within 30 days, unworn, tags attached, postage paid by the customer" is a fact. Both might describe the exact same shop's exact same policy. Only one of them can be checked by something that isn't a person reading carefully and filling in the gaps, and that's the entire distance between an ordinary product page and what people mean by "structured data."

The same split shows up anywhere a shop writes about itself. A shipping note that says "usually quick" is a sentence. "Dispatched within 1 working day, delivery in 2 to 3 days" is a fact. A material description that says "beautifully soft" is a sentence. "100% merino wool, machine washable at 30 degrees" is a fact. Neither version is dishonest. One of them just happens to be readable by something other than a person.

A fact has three parts, whether or not anyone writes them out explicitly: what it's about, what's true about it, and where that came from. "Waterproof" on its own is a sentence, because it's missing the last two parts, waterproof to what standard, and tested by whom. "Waterproof to a 10,000mm hydrostatic rating, tested in-house each production run" is a fact: the claim, its exact scope, and the source, all present. Nothing about this requires new software. It requires writing the specific version of the claim instead of the general one, which is usually a smaller job than it sounds, because most shops already know the specific version, they just never wrote it down that way.

Why plain writing alone doesn't close the gap

A beautifully written product description can still fail this test completely. "Designed for comfort, built to last" reads well and answers nothing: not the material, not the size, not what "built to last" is rated for. A well-edited sentence and a structured, checkable fact are two different achievements, earned in two different ways, and a page can easily have one without the other. Most copywriting makes a sentence read better. Almost none of it makes a sentence checkable, because reading well and being checkable were never the same skill.

The list an AI agent is checking

An AI agent answering a question about a product increasingly isn't reading a shop's page in real time the way a browsing customer would. It's checking a list, assembled in advance, of exactly this kind of fact: what's true, about what, sourced from where. A shop that's easy to find and pleasant to read but never entered onto that list is invisible to the checking, however good the product photography is. Being on the list is a different job from having good product pages, and it's the one that determines whether an AI can say anything useful, right or wrong, about a product at all.

None of this needs a shop to become a data company. It needs the specific version of each claim written down once, clearly, with a source attached, instead of left as a well-meaning general sentence. That's the layer Selfe exists to build and keep current: turning a shop's real facts, sourced and dated, into the list an AI checks against, rather than leaving them as sentences an AI has to guess at.

Do I need new software to do this?

Not to understand it. Most of the work is deciding the specific version of a claim instead of the general one, a writing and record-keeping habit before it's a technical one.

Is this the same as SEO?

No. SEO is about being found by a search engine reading pages. This is about a fact being checkable by something reading a pre-built list, not a page at all.