The "categories" section allows you to set up various categories under which you can place your blog entries.
To add a category, click the "add" button at the top of the list. A space will appear at the bottom, allowing you to enter a name for the category; click the "apply" button below the area where you entered the category name to save it to the list.
To delete a category, click on the deletion icon to the right of the category that you want to delete. The icon will change to indicate that the category has been queued for deletion. You can click again on this icon to remove it from the queue. It is possible to mark multiple categories for deletion. When you are done selecting categories to delete, click the "apply" button immediately below the list.
To edit a category name, click on a category. A text box will appear below, allowing you to edit the name. When you are done, click the "apply" button below the area where you edited category name to save your changes.
To delete one or more categories, click on the deletion icon to the far right of the categories that you want to delete. You can select multiple categories for deletion; clicking the icon a second time will deselect it from the deletion queue. When you have selected all the categories you want to delete, click "apply"