In order to quickly access frequently used contacts, use the favorites.
You can add contacts to or remove them from the favorites.
The favorites are displayed on top of the buddy list.
How to use the favorites:
If the buddy list is closed, open it.
Hover over a contact in the buddy list. Next to the contact, icons for starting a conversation are displayed.
iconAdditionally, the contact will be displayed in the buddy list under Favorites.
In order to remove a contact from the favorites, hover over a contact under Favorites. Click the icon.