1. If communities are divided from the time dimension, they are mainly divided into two types, namely, long-term communities and short-term communities.
2. If the community is divided from the content dimension, it can be divided into three categories: brand welfare group with sales as the purpose, service group with sales and service as the core output, and content interactive group with content as the core output.
3. Community also has a split dimension, which can be divided into potential user community, purchasing user community and member community from the user group.
The original meaning of community is a group of people who interact with each other and live in the same area. /kloc-in the 9th century, the German sociologist Tonnis proposed that community refers to people who are established by blood, neighbors and friends and are opposite to "society".