This video explores the core concepts of Amazon DynamoDB, focusing on tables, items, and attributes. Kirk from the DynamoDB team explains how tables function as secure data storage, items as the core unit of data, and attributes as flexible components within items. The video delves into primary keys, including partition keys and sort keys, and their role in data organization and querying. A practical example demonstrates how to model data using item collections for efficient one-to-many relationships. The content provides valuable insights for developers looking to understand and effectively utilize DynamoDB's structure and querying capabilities.