This video demonstrates the data lineage feature in Amazon DataZone, which helps visualize data movement within the business data catalog. Kenneth, a software front-end engineer at AWS, walks through the visualization experience, showing how to explore asset details, view upstream and downstream data flows, and analyze column lineage. The demo covers scenarios like validating data provenance, examining job details, and identifying downstream data consumers. Amazon DataZone's data lineage capability enables users to trace data from its source to its ultimate use, enhancing data governance and facilitating proactive communication about data changes.