...
If you click the 
hamburger icon of any workflow (let them be general workflows or campaign workflows) you’ll find 3 5 options:
Click ‘Edit' to open the workflow editor
Click ‘Settings’ to update workflow settings
These two buttons navigate you to the Workflow or Settings tab of the selected workflow where you can come back anytime to make changes after the workflow has been saved for the first time.
Click ‘Log’ to check the history of the triggered workflows executions
Clock ‘Running workflows’ to see the workflow executions that are currently paused
Click ‘Clone’ to duplicate the workflow
In the popup window select to which campaign should the workflow be added or if you’d like to create it as a general workflow.
...
Campaign actions
Campaigns have additional action buttons that operate on the campaign level.
...