1 .10-minute documentary is usually between 500 and 100 words.
2. If the documentary is mainly narrative, the number of words in the copy can be controlled between 500 and 800 words.
3. If the documentary is explained, the number of words in the copy can be controlled between 800- 1000 words.
4. If the documentary focuses on expressing emotions, the number of words in the copy can be controlled between 200 and 500 words.
It should be noted that this is only a general reference, and the specific number of words should be determined according to the content and theme of the documentary.