Navigate to to display a list of services and service groups that are currently defined in the system and displayed in the item list bar. Services are protocols or combinations of protocols and ports (if protocols use ports, such as TCP and UDP). When you click an entry in the item list bar, the nodes of all desktop objects that this desktop tag is assigned to are highlighted on the desktop. When you click an object on the desktop, the system highlights the services it uses in the list of services.
To create a user-defined service or a service group, click the 
button at the top of the respective section in the item list bar.
For more information, see Icons and buttons.
The sections below provide further information on the various types of services and on service groups.
