Notebooks are where you do your actual work in Azure Databricks. They are interactive documents that combine live code, visualizations, and narrative text in a single place. Whether you are exploring data, building pipelines, training models, or documenting your analysis, notebooks are the primary interface you will use every day. This guide covers everything you need to know to work effectively with Databricks notebooks, including magic commands and the powerful Databricks Utilities (dbutils) framework.