Update key-terms.md - changes to closed functionality key term examples

[pday1]

Changes to the key term definition for closed functionality as per results for questions 4 & 5 from survey https://www.w3.org/2002/09/wbs/55145/WCAG2ICT-closed-more-to-review/results

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[GreggVan]

This line should be changed — Closed functionality has to do with ability to work with AT - not the ability to adjust things.

On Jan 24, 2024, at 8:50 AM, Mary Jo Mueller ***@***.***> wrote: -* computer that is locked down so that users may not adjust settings due to a policy

Suggest changing it to

…

-* computer that is locked down so that users are not able to install their AT

[maryjom]

This line should be changed — Closed functionality has to do with ability to work with AT - not the ability to adjust things.
On Jan 24, 2024, at 8:50 AM, Mary Jo Mueller @.*> wrote: - computer that is locked down so that users may not adjust settings due to a policy
Suggest changing it to
…
- computer that is locked down so that users are not able to install their AT

@GreggVan You are commenting on content that was deleted using this PR. If you read the built document you can see this bullet is no longer there.

[GreggVan]

Ah Thanks Misunderstood. Hard to get context when on an airplane and missing all my screens g

[bruce-usab]

Thanks Phil!

I must confess that I am as prone as anyone to say/write "closed products" when I really mean "products that are closed to AT" and this revised definition supports that sort of practical short hand phrasing.