This page is tied to the module "Link list", which allows you to manage the various links and blocks of links available on your shop. It works with blocks that are attached to hooks.
By default, and if you are still using the default theme Classic, you have one block for the footer:
There are two child blocks in the footer block, "Products" and "Our company" and they represent to the first two columns displayed in the footer of your shop. The block names are the titles of these two columns.
Within a parent block, several actions are possible
If you need a new set of links within your shop, click "New block" to create a block. It will open a creation form which you should fill out.
Name of the link block.