Denotation <span>refers to the dictionary meaning whereas </span><span>connotation refers to the association or emotional meaning</span>.
Figurative is incorrect - it uses words or expressions which differ from their literal meaning.
Emotional is not a term that is used and therefore doesn't make sense.
A third person narrator knows all the characters' feelings and thoughts, an author might choose this perspective to let the reader know everything the characters are feeling and what's going on. This gives a broader perspective on the story and can influence the readers opnion.
Words that look alike and have similar meanings are called cognates.
