Currency assets information model diagram description

This diagram shows the currency structure in WebSphere Commerce Server:

StoreEntity
A StoreEntity Enterprise bean has zero or one default currency, which is a Currency Enterprise bean.
CounterCurrencyPair
A CounterCurrencyPair Enterprise bean has a composite association to StoreEntity Enterprise bean. CounterCurrencyPair has one, and only one, counterValueCurrency, which is a Currency Enterprise bean. CounterCurrencyPair has one, and only one, shoppingCurrency, which is a Currency Enterprise bean.
SupportedCurrency
A SupportedCurrency Enterprise bean has a composite association to StoreEntity Enterprise bean. SupportedCurrency has one, and only one, owner, which is Currency Enterprise bean.
CurrencyConversionRule
A CurrencyConversionRule Enterprise bean has a composite association to StoreEntity Enterprise bean. CurrencyConversionRule has one, and only one, toCurrency, and one, and only one, fromCurrency, which is a Currency Enterprise bean.
CurrencyFormat
A CurrencyFormat Enterprise bean has a composite association to StoreEntity Enterprise bean. CurrencyFormat has an association to one, and only one, Currency Enterprise bean and one, and only one, NumberUsage Enterprise bean.
CurrencyFormatDescription
A CurrencyFormatDescription Enterprise bean has a composite association with one or more CurrencyFormat Enterprise beans. CurrencyFormatDescription has one, and only one, owner, Language Enterprise bean.