Respuesta :
To share the internal thoughts and feelings of other characters.
It can be deduced that letters are used as plot devices as:
- They move a story forward.
- They share internal thoughts and feelings of other characters.
- They reveal perspectives and experiences of other characters.
- They summarize the story from the author's perspective.
What is a letter?
It should be noted that letter writing is important in order to convey a message to the reader.
In this case, letter moves a story forward and share internal thoughts and feelings of other characters.
Learn more about letters on:
https://brainly.com/question/24623157