It may also be possible to manipulate the graphical notation as an alternative to editing the text-based code, so that the visual rendering becomes a direct representation of the code.
作为一种编辑基于文本代码的可选方式利用图形化的符号也是可能的，所以可视化的描写变成了一种代码的直接表示。
We use BPMN as a notation but we have our own internal representation.
我们使用BPMN做注解，但是也有自己的内部表现形式。
This extended use of the execution flow notation is motivated by the need to provide a hierarchy of data representation, which is necessary for large-scale, distributed traces.
这种扩展的主要原因是在大型分布式应用程序的跟踪时需要提供分层次的数据表示形式。
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