A letter can refer to the following:Letter (alphabet), a grapheme, part of an alphabet, abjad, abugida, or syllabaryLetter (message), correspondence, a written messageLetter (paper size), the letter-size paper"Letters" can also mean literature, as in "arts and letters"Letterman, recipient of an award (letter) given to an interscholastic and/or intercollegiate student of merit in a sport, choir or band (also see varsity letter)Rehearsal letter in an orchestral score EntertainmentLetters, an album… (More on Letter)