To create and send Email choose a contact from the Contacts List, then choose from any of the following 3 options:

(1) The Email icon Send, (located on the WorkCenter Menu)

(2) The Email icon located to the right of the contacts Email address, under the Contact Tab.

(3) The File drop-down list Send (shown in below image). 

To Email a document you must first choose a document from the library before clicking on send.

Note: To send Email to Multiple Contacts you must choose a library document. See Sending Email to Multiple Contacts.