The image couni2.gif shows the Unicode Collation Sequence tab page after modification. The combo box shows a secondary level and then a tertiary level with several nodes whose characters are variations on the letter z. Following the tertiary level are 4 nodes that are part of the same secondary level:

The following buttons are below the combo box:

A toolbar is on the left side of the screen. The following menus are at the top of the screen: File, Edit, Tools, Help. End of image description.