This document provides an overview of Connected Lab's product development playbook. It describes the different types of cards in the playbook, including Plays, Milestones, and Activities. Plays represent the high-level steps in a project and suggest a project phase. Milestones are key events or meetings. Activities are specific methods that can be used within Plays. The playbook is designed to help teams plan and discuss how to develop products from start to finish using these different card types.