# 核心概念

- [GraphQL](/he-xin-gai-nian/graphql.md)
- [超图](/he-xin-gai-nian/chao-tu.md)
- [请求时序图](/he-xin-gai-nian/qing-qiu-shi-xu-tu.md)
- [服务端Operation](/he-xin-gai-nian/fu-wu-duan-operation.md)