Storage Volumes view is a list of Project Volumes which are attached to Servers or can be attached to Servers as a second Server disk volume.
Volumes are charged with the same price as every disk and its usage is visible in TDS Usage view.
Storage Snapshots is a list of all Project Volume Snapshots.
Storage Images in Public Cloud
Storage Images includes mainly backup images - virtual images which includes up to 10 backups of original Server root disk.
Storage Images in Private Cloud
Storage Images includes mainly backup images.