The document discusses what the author has learned from their preliminary task to their final opening sequence project. They learned that plain shots in continuous order are less interesting than using more atmospheric editing techniques. From their preliminary task, they gained knowledge about editing software and how to create a more visually appealing sequence. Their final opening sequence used advanced editing techniques like jump cuts and overlays to portray the main character as mentally unstable. Overall, the author learned the importance of elements like camera shots, editing, setting, and sound design in crafting an effective sequence.