OBJECT-FIRST DESIGN LIBRARY · 统一主树
Design Knowledge Base
Start with the thing being designed. Each node has one main parent; methods, expression, purpose, context, and evidence are cross-cutting relations.
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OBJECT-FIRST DESIGN TREE
Design object tree
Object family → object type → composition / structure → topic / problem → concept / principle / mechanism → pattern / practice / variant → instance / case.
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TREE CONTRACT
A stable place for every new entry
The first two levels are an extensible object skeleton. Add a structure node when the object has a distinct composition; use concepts, patterns, and instances below it. A missing middle level becomes a navigation-only node, never a second classification tree.
CONNECTED KNOWLEDGE