Answer:
1. Mood- author's combination of setting, atmosphere, and tone.
2. Irony- a figure of speech using words that carry the opposite meaning of what is literally said.
3. Symbols- literal on one level, yet underneath carries secondary extended meanings.
Explanation:
The given literary terms and their definitions are given as below-
1. Mood is the term used to refer to the attitude, the feeling of the author. It is a combination of the story's setting, atmosphere, and tone used by the author.
2. Irony is a figurative language used to an expression that happens contrary to what is expected. It carries the opposite meaning of what is literally said.
3. Symbols are the words, signs, marks, etc. used to mean another thing. They are literal on one level but carry another meaning, an extended meaning.