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source.puml

@startuml
allowmixing

skinparam classAttributeIconSize 0
skinparam shadowing false
skinparam packageStyle rectangle
skinparam defaultFontName Arial

title Simple World Economy System Overview

package "Economic Core" {
  
  class Country {
    +name
    +population
    +GDP
    +exportGoods()
    +importGoods()
  }

class Market {
    +tradeVolume
    +setPrices()
    +matchBuyersSellers()
  }

class GlobalEconomy {
    +totalGDP
    +regulateTrade()
    +monitorMarkets()
  }
}

package "Financial Infrastructure" {
  class CentralBank {
    +currency
    +interestRate
    +controlInflation()
    +issueCurrency()
  }

class InternationalBank {
    +lendMoney()
    +supportDevelopingCountries()
  }
}

package "Data Layer" {
  database "World Economic DB" as WorldDB
}

' ------- Relationships --------

Country --> Market : participates in
Market --> GlobalEconomy : reports activity
GlobalEconomy --> Market : sets policies

Country --> CentralBank : depends on
CentralBank --> InternationalBank : coordinates

Country --> WorldDB : stores economic data
Market --> WorldDB : records trade metrics
CentralBank --> WorldDB : updates financial indicators

@enduml

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