This document discusses groups and teams. It defines that a group consists of two or more people who interact to achieve a goal, while a team is a specialized group that works intensely together towards a common goal. It outlines the stages of group development including forming, storming, norming, performing, and adjourning. Groups are compared to teams, noting that teams prioritize team progress, participative decision making, and respect among members. The impact of effective groups and teams is also summarized, including gaining a competitive edge and enhancing performance.