Here you can see the checkout process steps. You can manage them (edit - , delete - , move up or down using green arrows) or add a new step to the process. In the last four columns of the list you can see if the appropriate step is displayed (true) or not (false) in the appropriate section where can be the checkout process done.

Page url: http://devnet.kentico.com/docs/5_5r2/contexthelp/index.html?checkou_process.htm