A representation of content that you would like to repeat often on your pages.
You define your content walls in the Snippets > Resusable Content section of the admin. Once defined, any page with a body streamfield can show the reusable content by selecting it with a reusuable content block.
Name: A unique name for your footer. It can be anything, it is just used as a personal reference to easily tell them apart. Content: A streamfield that contains the layout blocks for the resusable content.