Learning content management system. An LCMS is a multi-user environment where learning developers can create, store, reuse, manage, and deliver digital learning content from a central object repository.

logical "chunk" of learning content. When labeled with metadata, an eLearning system can mix and match learning objects to create individualized learning experiences. Five or ten minutes is average for maximum learning object length.

Learning Management System - eLearning infrastructure and tracking system. LMS's range from simple course-by-course registration systems to humongous, real-time databases that deal with personalization, learning prescriptions, job competencies, and parsing learning objects. WBT is often combined with a LMS.