The Meta-Metadata category groups information about the metadata instance itself (rather than the learning object that the metadata instance describes).

元-元数据（Meta-Metadata）范畴包括关于元数据实例自身的信息（而不是元数据实例所描述的学习对象）。

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For instance, metadata about the records (who created them, when, where, how and why) must be captured so that they will remain meaningful and accessible.

UNESCO: MEDIA SERVICES