The icons displayed in Arbil are usually a combination of the following
which indicates the state, type and location of a file or IMDI component.
They are as follows:

	The top node of the Remote Corpus tree (read only)
	The top node of the Local Corpus tree (contains local files)
	Top node of the Working Directories tree (short cuts to files on the local computer)
	The file is in the Local Corpus Tree (local file)
	The file is on a remote server (read only)
	Corpus branch
	IMDI Session
	IMDI component that contains data
	IMDI component that has no data
	Written resource
	Video resource
	Audio resource
	Image resource
	Archivable file of an unknown type
	File that is not an archivable format and hence cannot be added as a resource
	The node has been added to the list of favourites and can be duplicated via the favourites add menu
	The IMDI file has been saved to disk but the changes have not been sent to the server
	The IMDI file has been edited but the changes have not been saved to disk
	The resource file is contained within the local cache
	The resource file exists on the server
	Node is currently being loaded
	File not found