You can use the breadcrumb to navigate through your Project.
The drown-down icon next to your current location provides access to batch operations you can perform against all images in the current directory including or excluding images within subfolders.
Reporting
The Report panel provides an overview of the current annotation status.
You may often need to perform a certain action against target images, e.g. Download annotation results or Move specific images to a different folder. Such target can be:
a single image
specific images
all images in a current location with or without subfolders