From the Contacts application, tap the Menu Key (in the Front Touch Keys bar) to access the Options menus:
Contacts tab: Backup now, Delete, Share, Send message, Send email, Speed dial, Join Contacts, Import/Export, Edit tabs, Settings, and Help.
Favorites tab: Add favorites, Remove favorites, Share, Send message, Send email, List/Grid view, Edit tabs, and Settings.
Groups tab: New group, Delete, Share, Change order, Edit tabs, and Settings.