It shows arrows cycling from "Major Flood", to "Expenditure", to "Complacency", and back to "Major Flood".
Between "Major Flood" and "Expenditure" are: "Damage, distress, disruption, death", and "Review".
Between "Expenditure" and "Complacency" are: "Reduced risk", and "No flood".
Between "Complacency" and "Major Flood" are: "Reduced expenditure", and "Increasing risk".