||Anchored Image is an image with an anchor.
||RoleView object of game background.
||CacheContainer is a container holding several DisplayCache instances.
||A default implementation of interface DisplayCache
as JPanel instance (for Swing-platform).
||DrawCommand is an object which is passed to DisplayCache,
telling it what to draw onto the screen and where and how.
||RoleView object saves all the image resources of a Role,
and it is in charge of mapping a role's logical attributes
to a certain appearance.