measurements
The component on its own. Describe the change you want in plain words and it comes back as a new version. No HTML needed.
Change the design
Say what you want changed the way you would say it to a designer. Be specific about what and where: "the price and the save badge should sit on the same line", "more room above the button", "the badges are too tight on mobile".
The change is queued, not instant. It is applied on the next run and comes back as a
new version you can compare and roll back.