What are the 6 details that should be included in a letter of recommendation?

A letter of recommendation should include the following details: 1. Introduction of the writer and their relationship to the candidate, 2. Description of the candidate's qualifications and skills, 3. Specific examples of the candidate's achievements and strengths, 4. Comparison of the candidate to others in similar positions, 5. Personal anecdotes or insights about the candidate's character, and 6. A strong conclusion endorsing the candidate for the desired opportunity.