1) The citizens are linked to the government machinery through the political party.
2) Parties act as a bridge between government and the people.
3) Parties play a deceive role to convey people's demand to the government.
4) The government decisions or policies are conveyed to the people at the same time.
5) The reactions of the people or the feedback on government policies are taken by the parties.
6) People get the feeling that they can also participate in the government.