Tie-in is basically meaning to elaborate or give information to the prompt
Why is there life?
Life gods?
How do we get power?
Electric gods? Wind gods?
I don't know if these will help...
Answer:
Many writers use imagery to convey a picture without saying directly what the image is. ... Imagery is an important element in writing. Imagery can stimulate the imagination and create vivid pictures in the mind.(If you look many best-sellers play heavily on imagery)
The correct answer is gloomy mood.
You can see that Romeo is running away from light, drawing his curtains in order to hide it away completely. He dislikes light and day in general because it means that he cannot see Juliet during the day - they used to meet only during the nightfall, which is why he despises light.