The concepts behind ToolManager
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   ToolManager 2.1 uses a new object-oriented approach to provide a
flexible and extendable system. This approach made it possible to
enhance several ToolManager features of the 1.X versions, e.g. you can
now have multiple docks.

   An object is a collection of data which describes its features. Each
object has a name and a type. You can create as many objects of each
type as you want, but the name of each object has to be unique, because
it is used as a reference to this object.

   Currently there are seven different types of objects: Exec, Image,
Sound, Menu, Icon, Dock and Access. The first three of them are basic
objects; that means they don't reference other objects. They provide
data or services for the complex objects.

   The last four object types are complex objects; that means they
reference simple objects and rely on them to get access to data or
services. The reference is done by name, and if no simple object with
this name exists, the complex object will ignore it. Note that this may
reduce the functionality of the complex object, e.g. an Icon object
needs the data from an Image object, so if this object doesn't exist it
won't create an icon.

   For a detailed description of all object parameters see  Objects.