Audience is all about making it easy to create a newsletter.
In "Your Newsletters" you will see an option to "Create Newsletter"
You can give the newsletter a name and upload the profile image for the newsletter.
We use the profile image on the generated signup forms.
You can give the newsletter a description here.
Setup the name and email address you want to use for the newsletter.
Newsletter Audience:
Each newsletter in Audience must have an audience or mailing list. You can create a new list for the newsletter or select an existing list. This is the list that the newsletter will send to.