It could mean that he wants to prevent his son from seeing the monkey's paw.
I believe Diagram <span>is used to organize information within an informational text.
Diagram is often use to give a sumple summarization for a certain data, that allow the readers to understand it without having to dig deeper on the actual numbers of the data. Diagram technique is preditcted to became popular since the enlightment period.
</span>
To most of my research so far, it is the visual of speech sounds. When you look through a dictionary, you'll usually see these things under the main word you're looking for.
For example, you take a word like "Seahorse". You have the word type, and below the word type, you see some fancy looking text.
I will bold this mini dictionary bit for you to show you what we're focusing on.
Seahorse
Noun
/ˈsēhôrs/
The text in bold here is what you're looking for when you want to find the "Phonetic Transcription." Hope this helps!
Either B or D but I think it is D