Which would have the most functional significance in a story? A.B.D.A main character
A main character
A main character
If it was not functional you would not be able to read it and so it would, in most cases, be quite useless.
The most formal kind of functional writing would be formal letters. This type of letter would be used in circumstances dealing with business matters or even when writing to a stranger.
Brain
a cell
The Brain
Brain
A business letter is the most formal type of functional writing.
The story is character-driven.
Evidence that is in the story.
Evidence that is in the story.