The meaning of "To kill a mockingbird" is to kill innocence. As stated in the book, "Remember, it is a sin to kill a mockingbird'.
The tone of "to kill a mockingbird" changes throughout the story. It can go from being light-hearted & humurous to childhood fear. However, the overall tone is that of hope and promise for a better future in the world.
Metaphors, Similes, Personification, etc, are all used in "To kill a mockingbird". Metaphor: For example, "it is a sin to kill a mockingbird", because it does you no harm. (comparison of killing a mockingbird with the mockingbird itself) Simile: <span>"He was as good as his worst performance." Personification: "it is a sin to kill a mockingbird" (personification of the mockingbird as a person) these are just a few
"To kill a mockingbird" is basically described as killing something pure, for absolutely no reason. Kind of like killing a unicorn in the movie "Legend".
The tone changes a lot through out the book. The first chapters are light hearted, while deeper in they become somewhat sad.
A few types of figurative language are Personification: "May comb was an old town, but it was a tired old town when I first knew it", Idioms: "You’ve got us in a box, Jem,", Similes: <span>"He was as good as his worst performance." and quite a few others.</span>
