The extension after the dot names the class; the tag before the dot specifies which tag is associated with the class.

点号后面的扩展指定类名；点号前面的标记名指定与这个类相关联的标记。

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Also note that you must explicitly specify the dot in the extension.

另请注意，您必须显式地在扩展名中指定点。

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The information about these styles is stored in a file called the document template file, saved with an extension .dot.

关于这些样式的信息存储在叫做文档模板文件的文件中，保存的文件后缀名是 .dot。

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