How does the organizational structure of the passage help develop the main idea? Handwritten cards sent through the mail are the most meaningful way to communicate with someone you care about. First of all, sending a handwritten card takes planning. You have to purchase a card, look up the recipient's address, and find a stamp to mail it. A handwritten card is also a meaningful keepsake because the recipient can display it or keep it in a special place to look at again and again. Finally, the recipient can enjoy a handwritten card without feeling the need to respond immediately. A The chronological structure traces the decline of handwritten​