1. Letter of Recommendation: This type of letter is written by someone who knows the recipient well and can vouch for their skills, abilities, and character. It is commonly used for job applications, college admissions, or scholarship applications.
2. Letter of Resignation: This letter is written by an employee to formally notify their employer of their intention to leave the job. It typically includes the employee's last working day and expresses gratitude for the opportunities provided during their employment.
3. Letter of Apology: This letter is written to express remorse and ask for forgiveness for a mistake, offense, or wrongdoing. It is often used in personal or professional situations to acknowledge the harm caused and to make amends.