What do you mean by one corridor leading, seven districts linkage and eight belts supporting?

The meaning of this sentence is the key functional area proposed by the state to build the national cultural home of the Yellow River. Details are as follows:

1. According to the Planning for the Construction and Protection of the Yellow River National Cultural Park, the official website of People's Republic of China (PRC) (PRC), the overall spatial layout of the Yellow River National Cultural Park should be "guided by one corridor, linked by seven belts and supported by eight belts", and divided into four key functional areas: management and protection, theme display, integration of culture and tourism, and traditional utilization.

2. Put forward five key tasks: comprehensively promoting the protection and inheritance of cultural heritage, deepening the research and excavation of the Yellow River culture, upgrading environmental supporting service facilities, promoting the integration of cultural tourism in the Yellow River, and strengthening the display of digital wisdom of the Yellow River.