Contains elements that represent metadata about the channel — such as a, and — in addition to the channel content itself, in the form of items.

除了频道内容本身之外，还以项的形式包含表示频道元数据的元素——比如、和。

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In addition, the metadata representation of the composition logic, for example, a BPEL file, will represent the process logic itself.

此外，这个组合逻辑的元数据表示，如一个BPEL文件，将表示这个流程逻辑本身。

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You can use concepts to represent a reference to content in some other metadata repository, such as a portlet in a portlet catalogue or an asset in an asset repository.

可以使用概念来表示对某个其他元数据存储库中内容的引用，例如 Portlet 目录中的某个 Portlet 或资产存储库中的某项资产。

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