From Name: This is the name that your customers will see for the e-mail newsletter in their inbox.

From Address: The e-mail address you would like to send the newsletter from.
Note: You can setup your e-mail from address under Email Settings in your configuration settings under Configure->Store Settings under the SEO-Cart left navigation menu.

Newsletter Subject: The e-mail subject that you would like to set for the newsletter.

Newsletter Body: This is where the actual newsletter content will be placed. HTML and plain text newsletters are supported.