The document discusses the key learnings and improvements from the preliminary task to the main task. It summarizes that the preliminary task helped develop understanding of shots, editing techniques, and importance of scheduling. Issues in the preliminary task included continuity errors, jumpy sound transitions, and poor titles. For the main task, the document notes there were no continuity issues, smooth sound editing, and improved titles. It also discusses choosing to work individually, the importance of research and planning, and potential improvements for future tasks.