In the visual editor, there is always a current step of the Djeeni process selected. It is displayed with a red frame (other steps are displayed with a blue frame). Every action (insert a step before, edit the step, remove the step) will be performed on the current step. If you want to work with another step you only have to select that step by simply clicking on it.
You can also select the last (black circle) Exit step to insert a step before it (that is, add the step to the end of the Djeeni process).
You can add another step to the process using the Process Toolbar (see the details there).
You can do it using the Process Toolbar (see the details there); or by double-clicking on the step that you want to edit (it does not need to be the current step).
You can do it using the Process Toolbar (see the details there).
You can do it using the Process Toolbar (see the details there); or clicking on the Execute button on the Ribbon.