Complex sentence: The Blackboard Learning System is a Web-based server software platform that offers course management, an open architecture for customization and interoperability, and a scalable design that allows for integration with student information systems and authentication protocols.
Split into simpler sentences: The Blackboard Learning System is a Web-based server software platform. Features include course management, an customizable open architecture, and a scalable design that allows for integration with student information systems and authentication protocols.