What's the difference between communism and communalism?

Communism is referred to as both a theoretical economic system or ideology in which there is collective ownership of property, and in which government plans and controls the means of production within a country wherein Communalism is a theory or system of government according to which each commune is virtually an independent state and the nation is merely a federation of such states. 

The declaration of independence stands for the idea that all people are equal and have rights and that the government's job is to protect these rights. If it doesn't it should be changed. They want to change the king like the social contract theory states that people should choose their government.