The term "business-wide" is used here to reflect the scope of data access and usage, not the physical structure.
这里所使用的术语“业务范围（business-wide）”反映的是数据访问和使用的范围，而非物理结构。
A security realm, as the name suggests, corresponds to a realm or scope of data to which the authentication information belongs; that is, the domain to which the authentication information applies.
安全领域，顾名思义，对应于身份验证信息所属的域或者数据范围；即身份验证信息所适用的领域。
B. Scope of data services: data services are primarily concerned with actions on data entities - period.
数据服务的范围：数据服务主要关注数据实体上的动作——仅此而已。
B. Scope of data services: data services are primarily concerned with actions on data entities - period.
数据服务的范围：数据服务主要关注数据实体上的动作——仅此而已。
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