Content > Link Lists > "Footer Links"

*NOTE - should contain 2 to 3 mid sized links.

Content > Link Lists > "Social Links"

The custom icons can be created by entering a custom class in the icon class field.  A full list of available icons can be found at http://cornerstoneweb.monkpreview2.com/_assets/fonts/icons/ (use http://cornerstoneweb.org/_assets/fonts/icons/ when your site goes live).