The target endpoints are managed by groups: all endpoints implementing the same service belong to a group representing this service.
通过组的形式管理目标端点：实现相同服务的所有端点都属于一个代表该服务的组。
2
Because either the source or the target must be the generic business object and only one managed role exists per relationship, the managed role name is not needed.
因为源或目标必须为通用业务对象，而且每个关系中只存在一个托管角色，因此不需要托管角色名称。
3
So instead the target is the databases or associated software through which sites' content and user requests and contributions are managed.