What is the purpose for this type of composition a letter to a friend telling her about your new hairstyle?

The purpose of a letter to a friend about your new hairstyle is to share personal experiences and updates, fostering a sense of connection and intimacy. It allows for the expression of excitement or sentiment associated with the change, encouraging dialogue and engagement. Additionally, it can serve as an invitation for your friend to share her thoughts or experiences, strengthening the friendship bond.