概念数据模型是在初始阶段创建的，通常只包括实体和它们最重要的关系。
The conceptual data model is created during the initial phases and typically includes only entities and their most important relationships.
这部分包括产品包装和概念，它们有很好的或者说独特的富有成效的想法。
This section contains product packaging and concepts that arose out of a good or unique idea that seems to work really well.
它们包括基本概念到高级主题，使Flash开发的任何一级可以找到一些他们可以阅读和学习的地方。
They cover basic to advanced topics so that Flash developers of any level can find something they can read and learn from.
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