General guide for creating definition documents. Use when you need to define WHAT something IS - concepts, entities, systems, or domains. Routes to specialized sub-skills for specific definition types (business, features, code, marketing, branding, tools).

创建定义文档的通用指南。当需要定义某事物的本质时使用，如概念、实体、系统或领域。可导向特定定义类型的专项子技能，如业务、功能、代码、营销、品牌、工具等。