For example, the logical viewpoint is used to address completeness of functionality, extensibility, maintainability, coupling, cohesion, and related concerns.
举例来说，逻辑的观点用于描述功能、可扩展性、可维护性、耦合、内聚性和其他相关的关注点的完整性。
2
The Message Broker trading system component is a logical component of a trading processing system and is presented here for completeness.