...

The Work Time Types list  

Initially, the list includes some of the generally-used types of work time. You can add new work time types. Note that although editing of
existing types is allowed, you must not change how the predefined work time types was intended to be used.

...

The toolbar buttons

To add a work time type, click Create on the toolbar. To edit a work time type, double-click the line with its description or click the line and then, More on the toolbar, and Edit from the drop-down list.
Click Find if you need to locate a specific work time type. Click the Cancel Search button to stop search.

As the list is populated, you can change its display settings. Click More actions on the toolbar and select Configure list. For more information on the list settings, see Work with the item list.

For description of other buttons, refer to List toolbar.