...
Once the stages are added to the pipeline version you can reorder by clicking the arrows 
on the stage, or delete the stage by clicking the delete 
button. To view/edit the stage, click on the maximize 
button.
Click the Save button 
button to save your changes, or Revert 
to undo your changes since last save. The Back button 
button reverts the changes and returns to the previous page.
...