Enter someone email in the email widget, click on the email and your default email client will open to send an email to that the written email.
How to add the progress (completed) widget?
Click on the + to add new widget and widget window will open.
Then click on the Email widget to add it.
How to set use the email widget?
Simply enter your desired email, and then you can click on it.
To edit the email, click next to the email and you will come into edit mode.