> When the [kbd](https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-kbd-element) element is nested inside a [samp](https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-samp-element) element, it represents the input as it was echoed by the system.

> When the [kbd](https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-kbd-element) element is nested inside a [samp](https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-samp-element) element, it represents the input as it was echoed by the system.
>
> When the [kbd](https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-kbd-element) element contains a [samp](https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-samp-element) element, it represents input based on system output, for example invoking a menu item.
>
> When the [kbd](https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-kbd-element) element is nested inside another [kbd](https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-kbd-element) element, it represents an actual key or other single unit of input as appropriate for the input mechanism.

https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-kbd-element

Basically semantics wankery, and maybe we should change it...

_Originally posted by @zcorpan in https://github.com/whatwg/html/issues/7672#issuecomment-1056005968_

Start with the linked WHATWG HTML specification section and inspect the amp.dev repository for documentation using the kbd and samp elements. The issue names no file, test, or specific content change; clarify the intended semantics and target before defining what done means.

Written by the indexing model from the issue text.