If you have specific questions, however, you should write a separate message or letter to the Director of Admissions or Department Chairperson. Since any correspondence may be kept in your application file, be sure that letters are well written. Even if they are not requested, it may be helpful to add them. In letters of recommendation, admission committees look for information not provided in the rest of the application, or information that corroborates the application materials. Choosing the best reference people is important.
Most graduate schools require two or three letters.
Has a high opinion of your ability to perform well in graduate school. Knows you well. Can make a favorable comparison of you with your peers. Writes good letters of recommendation. When approaching individuals as potential recommenders, ask them if they know you well enough to write a meaningful and supportive letter.