25+ Sample Of A Formal And Informal Letter Images. A formal letter is one, written in formal language, in the stipulated format, for official purpose. In writing a formal letter, there are a few things to keep in mind as these need to follow a format that is different from other types of letters.
Whereas, an informal letter is used for personal or casual purposes.
But having a fair idea of how to go about framing the essays & letters is utmost important. Formal letters vary from informal letters in a number of ways. The tent we stayed in was very comfortable. Slang and colloquial terms can be used depending on the familiarity between the sender and recipient.