The term 'Summit SUCCESSES' can be broken down into two crossword solutions: PACTS (5 letters) and SUCCESSES (9 letters). PACTS stands for 'PACTS, Agreements, Compacts, Treaties, and Settlements, ' which are all terms used to describe formal agreements between two or more parties. These agreements are often made at international summits, where leaders from different countries come together to discuss and negotiate important issues. SUCCESSES refers to the positive outcomes of these summits, such as the signing of a treaty or the resolution of a conflict.