This document provides definitions and explanations of key terms related to international banking and payments systems, including: correspondent banking, NOSTRO and VOSTRO accounts, SWIFT, CHIPS, CHAPS, FEDWIRE, and letters of credit. It describes how correspondent banking works and how NOSTRO and VOSTRO accounts are used in foreign exchange transactions. It also summarizes the purpose and operations of payment systems like SWIFT, CHIPS, CHAPS, and FEDWIRE which facilitate international funds transfers and settlements.