By default, the General tab appears when you select Customer Maintenance.
You will see the following fields:

Address/City/St/Zip/Country: Enter the customer's company address.
E-mail: Enter the customer's email address, if any. If you are using a MAPI-compliant e-mail client (such as Microsoft Outlook), you can click the button to the right of this field to send an e-mail to this customer.
Web Page: Enter the customer's web page address, if any. If you have Internet Explorer installed, you can click the button to the right of this field to view the customer's web page.
Faxno: Enter the customer's fax number, if any.
Contact: Enter a contact name for this customer.
Title: Enter the principal contact's job title, for example, "BUYER".