اقتباس:
 Waleed,  
 

  A good topic  

  These steps will enable the writer to write the letter and know the distinct differences between some points especially  between the two words "sincerely and faithfully"  
 اقتباس:
Be clear and to the point, but don’t be too blunt.
  
 I think there is a missing word here 
Thank you very much  

  
First of all, most welcome, sister 
then, according to your nice comment, Sorry I did not notice it.  
 
 I have to say the following:
 
اقتباس:
Don not be too excissive and blunt, but be clear and go to the point.
 
Any other comment, Most Weclome  
 
My respects
WaLeed  
