Task: Because Rick has requested it, I'd want to send this file to him via Gmail at rick.weinstein@dayrep.com.
Steps:
click on the share button at the bottom right corner of the screen
click on the send link option
click on the see all option
select the Gmail app
select the Gmail app
enter the receiver email I'd rick.weinstein@dayrep.com 
click on the I'd
click on the send icon