Best Answer: A certified letter is sent by a person or a business when they want to mail important information and be sure that it was received. It's not usually a good thing. Collection agencies send them, people involved in legal cases send them, etc... certified letter is one where the post office ensures that the letter is only delivered to the person it was addressed to, and records his signature.
For other uses, see MS. A Master of Science degree (Latin: Magister Scientiae; abbreviated MS, MSc, MSci, ScM or SciM with or without punctuation) is a type of master's degree awarded by universities in many countries. The degree is usually contrasted with the Master of Arts degree.
MSW: Stands for Masters in Social Work. This is the degree that social workers generally possess. MEd: Stands for Masters in Education. Many counselors have this degree. It may be given in any field of education. MSEd: Stands for Master of Science in Education. MS or MA: Stands for Masters of Science and Masters of Arts, respectively. These are the traditional degrees given by colleges of arts and sciences in the United States. Generally, a master's degree is not sufficient to be licensed as a psychologist, although some states and Canadian provinces do allow it. EdS: Stands