Palm Tungsten T3 Handbook page 106

Chapter 7 Using Contacts
Options menus
Preferences
Rename Custom
Fields
About Contacts
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Opens a dialog box where you can choose Contacts display
options.
Remember Last Category.
when you return to it from another application. If you select this
check box, Contacts shows the last category you selected. If you
deselect it, Contacts displays the All category.
These custom fields appear at the end of the Contacts Edit
screen. Rename them to identify the kind of information you
enter in them. The names you give the custom fields appear in
all contacts.
You can use these custom fields to track additional information
in your Contacts records, such as names of spouses, children, or
any other details.
Shows version information for Contacts.
Determines how Contacts appears