What is the relationship between streets, communities, neighborhood committees and communities?

Streets directly contact with the grass-roots management of the government, and also serve as the daily life of people's livelihood and the uploading and issuing of government decrees, and convey the instructions, norms, laws and measures of street administrative organs, enterprises and institutions related to people's livelihood to community neighborhood committees; Communities and neighborhood committees are autonomous organizations and cannot be separated. Neighborhood committees collect all kinds of information from the community and upload it to the street according to street instructions, assign tasks to all communities in the community, and transmit information related to people's livelihood such as norms, laws and measures, and the community reflects the basic situation of residents to the neighborhood committees. All belong to autonomous mass organizations, and their staff, including responsible persons, are elected and may not be appointed.