5. The method of claim 3 wherein at least one pair of linked nodes is linked by at least one of said plurality of links, said at least one of said plurality of links further comprising at least one visual indicator, said at least one visual indicator providing a graphical representation characterizing the nature of at least one message exchanged between said entities represented by said linked nodes.
5. The method of claim 3 wherein at least one pair of linked nodes is linked by at least one of said plurality of links, said at least one of said plurality of links further comprising at least one visual indicator, said at least one visual indicator providing a graphical representation characterizing the nature of at least one message exchanged between said entities represented by said linked nodes. 6. The method of claim 5 wherein said at least one visual indicator comprises a color.