I don't think there is any one single simple action which can help.
He was not surprised by the efficacy of that simple action.
But this simple action now took on much greater significance.
There is a lot of satisfaction in these simple actions.
What does that simple action manage somehow to suggest to you?
I guess sometimes a simple action can do it.
Tyrell performed a simple action which others had done before him.
The simple action was all he seemed to need.
She struggled to focus and he could see the pain that this simple action was causing her.
The game starts with a few simple actions as possibilities.