The document discusses what the author learned from their preliminary film task to their full film product. They learned that with their preliminary task, they had no film experience which led to some problems. However, through practice and experimentation on their full product, they overcame issues with teamwork, time management, camera work, sound, locations, and editing techniques. Specifically, they improved at compromising with teammates, setting deadlines, using diverse shots and angles, customizing soundtracks, using multiple locations, and implementing advanced editing features.