This document discusses groups and teams in organizations. It defines groups as collections of two or more people who interact, share common goals, and see themselves as a group. Groups can be formal or informal. Formal groups are deliberately created to perform tasks, while informal groups form naturally. Teams are small groups of people with complementary skills committed to common goals and approaches. The document outlines the stages of group development and decision-making approaches. It also discusses benefits, types, and issues related to effective implementation of teams in organizations.