Answer:
1. The Closing and signature.
The closing and signature ends the letter and includes words like: ''Yours truly'', and ''Yours sincerely''. ''With love'' is another closing.
2. Introduction
This is where you talk about your purpose for writing the letter which as we can see, is what is happening here so this is the introduction.
3. Conclusion.
This is the part of the personal letter where one rounds up. It usually involves a wish to see the other one soon and well wishes as well which is what is seen here.