Philosophers, theologists, psychologists and economists have long sought to define happiness and since the 1990’s a whole branch of psychology has been dedicated to pinning it down and propagating it, more than simply positive mood. Happiness is a state of well-being that encompasses living a good life. For example, life with a sense of meaning and deep satisfaction.
Answer:
Metaphor.
Explanation:
Although the light is not actually chains, it compares the two things to help the reader visualize the lights.
The "inward eye" refers to the mind recalling an image. He's saying that while he lays on his couch he sees the daffodils in his mind; using his memory of what he had seen.
A declarative sentence is a statement that ends with a period. It states facts or an opinion and lets the reader know something specific. All of these sentences were declarative.