The document discusses the six dimensions of 21st century learning: collaboration, knowledge construction, real-world problem solving and innovation, use of ICT for learning, self-regulation, and skilled communication. It provides details on each dimension. Knowledge construction involves students creating new knowledge rather than just consuming information. Collaboration allows people with different perspectives to explore solutions. Real-world problem solving prepares students for the future by applying skills and ideas in practice. ICT and online tools can enhance and optimize learning. Self-regulation and skilled communication are important skills for students and teachers.