Google Contacts includes 5 main sections:
Google bar
Search box
Navigation list
List of contacts
Contact details
Google bar
The Google bar provides links and pop-up menus related to your Google Account, like other Google applications, account notifications, and the link to sign out of your account.
Links & menus in the Google bar
Apps: Opens to let you navigate to other Google applications.
Unread notifications: Shows notifications from your Google+ account. If you use Google+ and you have Google+ notifications, you can read them here.
Account: Lets you sign out, add an account, manage your account, or see Google's privacy policy. If you use Google+, the menu also has a link to your Google+ profile.
Search
Navigation list
The navigation list controls which contacts appear in the main view, and it includes links to other tools and resources.
Options in the navigation list
All contacts
Frequent: Frequently contacted contacts
Duplicates: Review and merge duplicate contacts in your account
Labels: Organize your contacts into groups
More: Explore other options, like Import, Export, and Print
Settings
Help & feedback
Contacts list and details
The main contacts view includes a list of your contacts.
To view or edit the details for a contact, press Enter.
To return to the contacts list, press Escape.