draft: (link colour is red, a ‘stop’ colour) the content is waiting for approval.
pending: (link colour is dark yellow, like a stop-light) the approval task is on some Editor’s To-Do list.
(link colour is green, a ‘go’) the content has been approved, but is not
published yet. (You must revoke the approval before re-editing it.)
published: (link colour is blue, a normal link) the content is visible for the public.
(link colour is grey) indicates that there is no new version and the
public version is closed. You can create a new version by clicking the
edit link, or use the new version button (alt-n) for a bulk operation.