In a Publication, you use Folders to organize content building blocks such as Schemas, Components, Component Templates, Page Templates, Folders, and Virtual Folders.
You can find Folders in the Building Blocks of a Publication.
Folder settings Folders have general settings and security settings for Folder permissions.
Publishing or unpublishing Folders You can publish or unpublish any publishable Folder. When you publish or unpublish a Folder, you publish or unpublish all publishable nested Folders and all items that are located within them.