The document discusses building a shared culture through design systems. It explains that culture is shaped by shared beliefs, behaviors, objects and characteristics among groups. It outlines how to build a shared culture through establishing shared resources, values, language, destination, understanding, equity and execution. This includes activities like attending design reviews, office hours, developer embeds, design sprints, journey mapping, co-creation, outward communication and using a scorecard to build, measure and learn. The goal is to fuel growth through partnership and trust.