Answer:
A typical letter may include the following elements:
The proper greeting: A letter should start with an appropriate greeting such as "Dear [recipient's name],"
Who you are and why you are writing: The letter should introduce who you are and why you are writing, which could be an introduction of yourself or the reason for the letter.
Two arguments for your position: If the letter is making an argument or presenting a case, it may include two supporting arguments for your position.
A response to one opposing argument: In case the letter is addressing a controversial or debatable topic, it may include a response to one opposing argument.
A restatement of your position and a call for action: A letter should conclude by restating your position and making a call for action, which could be a request for a response or a call to take a specific action.