Here you can see a list of product options under the currently edited category. You can add a new option by clicking the New product option button, alphabetically sort the listed items using the Sort A-Z button and Edit () or Delete () an existing item in the list. You can also change the items' succession within the current option category (), () or perform Other actions for a selected item such as Export, Backup, Restore, Destroy or Clone. After clicking the icon in the header of the Actions column, a context menu is displayed, offering options for export of listed data to various types of files.
However, if you are editing a category containing one text option only, just this option is listed and the New product option and Sort A-Z buttons, same as the Delete (), Move up () and Move down () actions are missing.
Further information about product options can be found in E-commerce Guide -> Managing your store -> Product options.