The work
A key action is what you are doing about a number. Finishing it does not move the score — the number does, and that distinction is the whole reason key actions are kept separate from key results.
Under: A purchase order does not wait on my desk
It serves Purchase orders released without my approval: 12% → 60% — measured in %, from 12 to 60. Finishing this does not move that number.
Cancel
It appears under the key result on your goal, with its owner and its date.