Special objects are broken into different categories. This way, someone creating a diagram of a circuit board can see only the objects which apply to them. Dia supports numerous pre-defined categories.
A group for people interested in creating diagrams of electrical circuits.
This one is beyond my knowledge
Editor for Entity Relations Diagrams
Editor for Function Structure Diagrams
A group dedicated to providing the user shapes which are commonly used in flow charts. Flow charts can be routinely found in computer programming, marketing, economics, and any other semi-linear operation which requires planning.
A chart which diagrams the step, the action, the transition, and the condition associated to the transition.
Good question!
Refer above
Uses objects to be used in a chronographic design. These are common place in time lines.
Used by network administrators to create a design of their network.
Designs diagrams display the flow of a Sybase computer network.
Shows flow of electricity, I guess
Allows diagraming of a device which employes hydraulics.