您还应该了解现有的各种企业组件，如安全机制、业务流程和业务规则引擎、工作流引擎和打包的应用程序。

You should also be aware of existing enterprise components, such as security mechanisms, business process and business rules engines, workflow engines, and packaged applications.

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例如，如果你有一个订单流程工作流，本质上说，和审批相关的决策无疑就是业务规则。

For example, if you have an order processing workflow, the decisions which relate to which approvals are necessary are, at their foundation, business rules.

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该工作流程实现了多种活动，决策点、排序、循环、业务规则实施点以及对服务的访问。

This workflow process implements various activities, decision points, sequencing, loops, business rule enforcement points, and access to services.

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