The first three major parts in a business letter, in order, are the date you wrote the letter, the reference line and the inside address of the recipient.
The three parts of a business report are detailed findings and support material, body of a letter and summary.
Explanation:
Detailed findings and support material (The introduction must include the purpose of the report and the sources of investigation which lead to the findings and supporting material.)
Body of a letter (the body of the letter includes all the information about the possible problems and suggested solutions to them as well as graphics and projections of results)
Summary (The summary gives an abstract idea of the general topic in a preview version of approximately 150 o 200 words)
Answer: "The bird represents freedom or desire to be free, while the cage symbolizes confinement or oppression. Even the act of singing shines a spotlight on the author's ability to grow and flourish despite her challenges."