"Cards" can be found inside the "Connection" module and "App Pages"
These are "Cards":
To edit your cards or rearrange them go to "Connection" module then "App Pages"
Then click the "edit" symbol next to "Home" or a "Folder" page you have created to edit or rearrange your cards.
Then drag and drop your cards to rearrange them how you would like
How to change the images on a card