The principal Model ternary spectrum -- Importance  spectrum -- Example of Network:  weak and strong connectivity -- Components ranking by their importance; example.-Extension of   basic model to many-state system -- Example  of Network flow network -- Network with unreliable ternary nodes -- Evolution method: extension to ternary system -- Series and parallel  connection of ternary networks -- Large Networks with colored nodes; supply networks -- Network interaction: binary networks -- Network interaction:  ternary networks.