Which of the following is the author's purpose if they write a story about a magical world to make readers feel happy?

If an author writes a book to convince you to recycle more, what is their purpose?

When an author writes a detailed description of a sunset, what is their primary purpose?

What is the author's purpose if they write a manual on how to use a new piece of technology?

If an author writes a book filled with jokes and funny stories, what is their purpose?

When an author writes an article arguing that summer vacations should be longer, what is their purpose?

If an author writes a biography of a famous scientist, detailing their life and achievements, what is their primary purpose?

What is the author's purpose if they write a step-by-step guide on how to bake a cake?

If an author writes a story about their childhood in a small town, focusing on the sights, sounds, and feelings of that time, what is their purpose?