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Central Modules - detailing the general and common features of the application to handle views, user actions etc. and and
Visualization Elements(Actors) - detailing the various visualization elements referred to as actors and their features.
This is followed up by a section on use cases, demonstrating the usage of the application and followed by a section of certain specific tasks targeted at the advanced user. A glossary on the terminology used in the application and an evolving section on the FAQ sums up this user documentation.