'Put the kettle on' exercise
Note: To have your own editable version, go to File > Make a copy. You'll then be able to drag around the pieces. Otherwise, you can draw out your answer on paper using these as the pieces.
Exercise: Go to slide 2 (make sure you're not 'presenting', but able to edit the slide. Rearrange the pieces of the flowchart to map out the process to tell a computer/robot how to put the kettle on. You can insert arrows to help you if you wish.
Once you've had a go, see one potential solution.