Letter is a written message that can be handwritten or printed on paper. It is usually sent to the recipient via mail or post in an envelope, although this is not a requirement as such. Any such message that is transferred via post is a letter, a written conversation between two parties. Now that E-mails and texts and other such forms have become the norm for communication, the art of letter writing has taken a backseat. SOCIAL FUNCTION personal letters are letters that are written to people we know such as friends, parents, siblings, and caousin. letters are not only written to inform but srengthen the bond between two people writing to each other. Mail function Some of the functions include: Means of notification Means of request Idea TYPES OF LETTERS FORMAL LETTERS : These letters follow a certain pattern and formality. They are strictly kept professional in nature, and directly address the issues concerned. Any type of business letter or letter to authorities falls...