This document discusses the key roles, events, and artifacts of Scrum. Scrum is a framework for agile project management that focuses on iterative development with sprints, daily stand-ups, and reviews. The three main roles are the Product Owner who manages requirements, the Scrum Master who facilitates the process, and the cross-functional Team who does the work. Key events include Sprint Planning, Daily Scrum, Sprint Review, and Retrospective while artifacts include the Product Backlog, Sprint Backlog, and working software.