Azure Data Lake Storage (ADLS): Purpose: Optimized for big data analytics. Structure: Hierarchical file system. Analytics: Seamless integration with Azure analytics services. Use Cases: Large-scale analytics workloads with unstructured data. Azure Blob Storage: Purpose: General-purpose object storage. Structure: Flat namespace using containers and blobs. Analytics: Can be used for analytics, but not as optimized as ADLS. Use Cases: General file storage, web content, backups, and archiving.