The document discusses learning analytics, which is defined as the measurement, collection, analysis and reporting of learner data to optimize learning. It describes how data from student profiles, activities, course content and results can be collected and analyzed descriptively, diagnostically, predictively and prescriptively. The document also addresses ethical concerns regarding data privacy, transparency and ensuring analytics are used to benefit students. It provides examples of how different stakeholders may use analytics and discusses the Open University's principles of applying analytics in an ethical manner that respects student consent and privacy.