The actual storage structure depends on which Driver each storage is based on. When using the local file system Driver provided by the TYPO3 Core, a storage will correspond to some existing folder on the local storage system (e.g. hard drive). Other Drivers may use virtual structures.
By default, a storage pointing to the
is created automatically in every TYPO3 installation.
Inside each storage there will be a folder named
which contains all resized images, be they rendered in the frontend
or thumbnails from the backend. The name of this folder is not
hard-coded. It can be defined as a property of the storage.
It may even point to a different storage.