This document provides an overview of various bank products including remittances, letters of credit, documentary collections, and letters of guarantee. It defines each product and describes key aspects such as types, parties involved, documents required, and regulations. Remittances involve the transfer of funds between parties and can be individual, corporate, or partial/full settlement. Letters of credit are arrangements where banks settle international trade using documents and ensure payment if terms are met. Documentary collections similarly use documents but are less complicated and riskier than letters of credit. Letters of guarantee are unconditional undertakings by banks to pay beneficiaries upon request if the applicant defaults.