See the whole system
Architecture decisions should reflect the environment in which a solution will operate. Consider existing platforms, information flows, integration points and the people who will maintain the result. A local improvement should not quietly create a wider problem.
Compare the options
Describe the choices in terms of business requirements and practical constraints. Consider maintainability, operational responsibilities and implementation effort alongside technical capabilities. Make trade-offs visible so the organisation can choose deliberately.
Guide implementation
Architecture is more useful as a shared direction than as a static diagram. Explain the principles, document important decisions and review the design as delivery reveals new information. Keep business and technical conversations connected.