The document discusses what the author learned from their preliminary task that helped them with their full thriller production. They learned about maintaining the 180-degree rule and using match-on-action to create continuity between shots. They also learned how to use shot reverse shot to build tension. For their full production, the author expanded their knowledge of conventions like breaking the 180-degree rule for confusion. They also learned how to use lighting, close-ups, and research case studies to further understand thriller conventions and apply them more effectively. Managing timelines and negotiating roles within the group were also skills that improved from the preliminary to full production.