A dynamic group is a two-person team that works together to achieve a common goal. The term 'DUO' is a three-letter word used to describe such a group. A dynamic group is characterized by its members' ability to work together in a cooperative and collaborative manner, with each member contributing their own unique skills and talents to the team. This type of group is often seen in business settings, where two people are able to work together to solve problems and create solutions.