20a⁝ Aristoteles 20b⁝ Energetic evolution, emergent gods, and new universes 20c⁝ The abstract patterns that build and drives every system
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Boundary and interface
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Skin, cell membrane, firewall, atmosphere.
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The interface is what is allowed to cross and in what form.
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Channel and encoding
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Sender, receiver, channel, code, noise, bandwidth.
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An API is a codebook for signals sent through a channel.
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Feedback and control
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Systems act, observe the response, then correct.
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HTTP request-response, hormones, reflexes, temperature regulation.
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Protocol
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A protocol is a ritual of interaction.
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Sequence, meaning, expectations, error handling.
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Contract
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Inputs, outputs, failures, guarantees.
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In software: specs and SLAs. In biology: homeostasis rules.
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Flow network
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Nodes, edges, latency, bottlenecks, redundancy.
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Nerves, blood vessels, roads, the internet, supply chains.
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