Folders are assets that are used to contain and organize images, documents and webpages. When inside a site, the Site Content menu on the left is where your folders and their contained assets are displayed.
\uD83D\uDCD8 Instructions
In the Site Content tree on the left, click on the images folder.
Highlight important information in a panel like this one. To edit this panel's color or style, select one of the options in the menu.