Example of dark-colored footer with two link-lists.
Example of white-colored footer with one link-list.
The footer can contain a message section with contact information, two link-lists and a newsletter sign-up. Depending on how many of the elements you enable in your theme the footer layout will adapt to the content.
Furthermore it is possible to configure the links to all your social media channels here. The links for the channels are defined under "Social Media"