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A Stock Changes Only Through Its Flows, Never Directly

Carries the second half of the reserved 'a stock changes only through its flows' claim owned by stk-; rests on stk-stock-vs-flow. Net flow, equilibrium, inertia, buffers and delays all rest on it, and lev-'s 'parameters are the weakest lever' reaches back to it. Stops before feedback: nothing here says a flow depends on the stock, which is lop-'s link claim.

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Stocks and Flows in Systems Thinking

A stock is a quantity measured at a single point in time — an accumulated, static amount with no inherent time dimension — while a flow is a quantity measured over a period of time, representing the …