Since 2000, US companies closed nearly 8000 deals worth almost $800 billion - including the biggest deal of all time: the merger of Travelers and Citibank to form CitiGroup, a $70-billion-plus deal that created a financial giant. Worldwide mergers and acquisitions were double that amount in the number of deals and dollars. Expers predict even more mega-mergers in the years to come. The need for accurate information to make these deals go smoothly has never been more paramount. This text brings together key words and phrases specific to merger/acquisition and related activities.