Answer:
Following are the things that must be kept in mind in order to write an important letter;
- The address to where the letter is to be sent must be accurate. Any mistake, and the letter would go to waste.
- The problem should be mentioned in the subject before starting the letter.
- The letter should not consists of metaphors or any irrelevant information as it would lose the purpose.
- The issue at hand should be presented at the start and should be discussed in detail for the reader to get an idea of the situation in depth.