CAN SOMEONE PLEAE EXPLAIN THIS ALL IN GREAT DETAIL PLEASE I DONT GET IT AT ALL

Correspondent Banking Relationships Bank A is in London. Bank B is in New York. The current exchange rate is 1.00 = $2.00 * A currency trader employed at Bank A buys 100m from a currency trader at Bank B for $200m settled using its correspondent relationship Bank A $200 Bank B London 100 NYC Correspondent Banking Relationships Bank A is in London. Bank B is in New York. The current exchange rate is 1.00 = $2.00 * A currency trader employed at Bank A buys 100m from a currency trader at Bank B for $200m settled using its correspondent relationship Bank A $200 Bank B London 100 NYC