Click the compose button on the left side of the Gmail page.
Fill the intending username in the “To” text box. “Cc” button allows you to add users whose response are welcomed but not required. “Bcc” option allows you to hide recipient addresses from one another.
Summarize the purpose of the mail in the “subject” text box.
Enter the content of the mail in the large field below the subject line text box.
Use “send” button at the button left of the Compose Mail Screen to send the mail to the recipient.