Letters are a written form of communication used to convey ideas, information, messages, requests, orders, complaints, and opinions. There are two main types of letters: formal letters, which are also called business or professional letters and have a specific format used mainly for serious purposes to unknown individuals, and informal letters. Formal letters are more formal in style and are used to express concerns at work, provide official information, order goods, or apply for employment or school.

1. LETTER
Letter are written tool that is used to express our ideas , information, message, request, order ,
complaint , opinion etc to other.
 Letter are an important form of written communication.
 Letter have a major use and importance in our daily use.
TYPES OF LETTER
There are two types of letter .
1. Formal letter
2. Informal letter
1.FORMAL LETTER
Formal letters also called Business letter or professional letter.
Formal letter written in a specific format.
Formal letter are much more formal in style than informal letters.
Formal letter is written for serious purpose to those who maybe unknown to us.
Formal letter can be written for a number of a reasons.
 To express your concern while working in workspace.
 To provide official information across your workspace.
 To order goods to apply for employment etc.
EXAMPLE
Director , Minister , Chairperson etc.
FORMAL LETTER INCLUDE ;
 Invitation
 Job or school application
 Acceptance letter
 Rejection letter
 Exist registration letter
 Offer or proposal
 Agreement
 Inquiry