CONCEPTUALLY THEN:
a) start with wild/wilderness
b) entity arrives, having self-domain.
c) entity establishes domain in wild/wilderness as ruler.
d) other entities also establish domains in wild/wilderness.
e) a tool is what which interfaces between domains.
A wall can be a tool between domains. A road can be a tool between domains. A door can be a tool between domains. Diplomacy can be a tool between domains. A hammer is a tool and a nail is also a tool and they are used to interface two domains. Glue is a tool. Lubricant is a tool.
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