Having a single list for Contacts is fine when you only have a few. But as your list grows, you will eventually need to organize them. You also may want to only publish certain Broadcasts to certain individuals. This is where Groups come in!
Step 1: Click your Profile at the top of the screen.
Step 2: Select User Management.
Step 3: Select the Groups Tab.
Step 3: Click Add Group at the top right.
Step 4: Name a new Group by typing it in the Text Box and clicking Submit.
On successfully Adding a Group, the following banner will display at the bottom left: