How to write video commentary?

The director's explanation, from the content point of view, is generally as follows: 1, the explanation of the script's conception, theme and background of the times; 2. Analyze the character, quality and fate of the main characters in the play; 3. Understand and grasp the contradictions and conflicts in the play; 4. Future film style and style orientation; 5. Handling of rhythm; 6. Creativity and modeling design requirements for performance, camera (photography), beauty, culture, lighting, Taoism and clothing; 7. Skills of various creative departments such as music (composition), recording and editing; 8. Ask for the part of the script that needs special effects to coordinate with the special effects department; 9. Ask for the part of the script that needs animation, write detailed design and production requirements, and participate in production.