Stop
Halt what is running.
This mockup uses fake data. Tap it to try it.
Family: Govern. Decide how the deciding goes. Example: Stop an agent mid-task.
When to use it
Use it to halt work in progress.
What a good design needs
A good design keeps the button in reach, and it says what is done and what cannot be undone.
How it fails
It fails when the button is hard to find, or when stopping loses your place.