This document discusses group dynamics and team building. It defines a group as a collection of people with common characteristics or purpose. Group dynamics refers to how a group of people interact and influence each other. The document notes that one of the biggest challenges is getting people to work together as a team. It describes various exercises used to demonstrate communication within groups and the different roles and behaviors that can help or hinder group performance. The document concludes that understanding group dynamics is important for identifying personalities and making effective groupings, and that it takes time for team members to learn to work intensely together to achieve common goals.