Selecting the New or Open contact button on the Contact Toolbar, or the Actions|New Contact, Actions|Open Contact Menu action from the Menu bar, displays the Contact details Window. You can also edit a contact by double-clicking on the contact card in the Contact view.

Contact Details Window
When you create a new contact or edit a contact, the Contact Details Window displays as above with the Personal Details Page.
1. Previous and Next Page - Use the Previous and Next Page buttons to move between the Personal Details, Address Details, and Phone Details, and Internet Details pages.
2. Full Name - you can type the whole name of the person in the full Name field, including their title, and suffix and the software will split the name into the fields below. Alternatively, you can type in the individual parts of the name in the fields Title, First name, Middle-name(s), Last name, and suffix. There is also a field provided to enter a Job Title for business contacts (4).
3. Nickname - If you entered a first name in the Full name field, the software will place the first name in the nickname field for your convenience. Type a nickname for the contact, if you want to identify the person this way. The Nickname is used in instant messaging.
5. Contact Sub-Folder - select where to store the contact details using the drop down tree view of contact sub-folders. If you change the current sub-folder, the contact details will be moved to the selected folder when you select the Save button.
6. Avatar - you can select a photo. or cartoon image to use to identify the person, using the Change Image and Clear Image buttons below the Avatar box.

Avatar Box
Click on the Change Image button to select the image, or use the Clear Image button to remove the current image at any time. When you select the Change Image button, the Image Selector Window displays to select a different Avatar from the system Image Libaries or your own Photo Library. (See Image Selector Window for further reading).
From the Personal Details Page, select the Next Page button to display and enter Address details or select the Save/New (7), Cancel (8) or Save buttons (9) displayed at the bottom of the Contact details Window.
7. Save/New - select the Save/New button to save the current contact details and create a new contact.
8. Cancel - select the Cancel button to cancel changes to the contact details and close the contact details window.
9. Save - select the Save button to save the current contact details and close the contact details window.
Further reading from Creating Contacts: