Presentation Presentation – What is a Letter of Credit? Understanding the main characteristics and usage of a letter of credit. By Ozgur Eker (CDCS) - 27 January 2019 0 9556 FacebookTwitterPinterestWhatsApp BackNext3. Synonyms of the Letter of CreditCommon definitions used to identify the letter of credit term with the same meaning are: Documentary Credit Documentary Letter of Credit Documentary Commercial Letter of Credit Credit Commercial Letter of Credit Standby Letter of Credit BackNext