Publish
The publish dialog lists all components which currently can be published to the repository.
Selection
You can select any combination of components for publishing. Selecting a component will also automatically and recursively select any components it depends on. You can deselect those again if you wish.
Reload
Reloads the page to get the latest changes.
Show all
Enable this checkbox if you also want to see already published and unchanged components.
Show Changes
You can use LemonTree to view the changes which you are about to publish.