Comment on the type of narration techniques used in Wuthering Heights by Emily Bronte? Is Nelly only a narrator?

Wuthering Heights is the only novel written by the Victorian writer, Emily Bronte besides her poems. It is one of the most passionate and heartfelt novels. It is also, considered highly original and deeply tragic. This novel is about the relation between Catherine Earnshaw and Heathcliff, the orphan boy brought to Wuthering Heights, and his tyrannical revenge excited on everybody for the rage and humiliation he suffers throughout his life. The novel is based on …

…years because of the terrible conversation he overhears from Catherine about him. Also, the atmospheres and vocabulary accompanying young Cathy's adventures are very vivid and sweet coinciding with her pure, lovely, and cheerful self contrary to the ones associated with her mother which convey the feeling of wildness, selfishness and ignorance to others. In conclusion, Nelly is an unforgettable and most complex character drawn by Emily though she never receives any attention from the others.