Answer:
The Mockingbird symbolizes innocence, so the title suggests that innocence is being killed or destroyed. The tree near the Radley House represents Jem and Scout's friendship with Boo.
Explanation:
The mockingbird, the mad dog, and the tree by the Radley House are important symbols that are within the novel.
They can be in odjective forms such as him, her, I
It's certainly sensory. And it's figurative too. I think I'd pick figurative because the central piece of language is a simile. That's pretty good use of language when you compare the bobbing heads of flowers to helmeted soldiers.