A letter is a message to people.
The words inside the letter are made of letters.
The words inside this piece of work are letters.
Another word for 'letter' is 'note'.
We make notes when playing instruments.
We write in notebooks. There is an animated show called "Death Note".
On fridges, we place sticky notes.
Another word for 'note' is 'message'.
Letters are used as messages.
Phones give and receive messages.
We give information through messaging.
Messaging is another form of talking.
Get the message?