The management approaches you learned about in the preceding section can cause one organization to feel quite different from another. If you were working in a nineteenth-century factory that valued classical management, you probably wouldn’t have team birthday parties or picnics the way you might under the management of the human resources approach, which values individuals. Yet understanding how different organizations come to have such different atmospheres is more complex than simply understanding their management styles. We must come to understand organizational culture, an organization’s unique set of beliefs, values, norms, and ways of doing things (Harris, 2002). Of course, communication plays a pivotal role in both the shaping and expression of organizational culture. We’ll explore how in the sections that follow, looking at the popular Trader Joe’s grocery store chain.