What is the primary goal (communicative-pragmatic dominant) of the belles-lettres style?

What is the primary goal (communicative-pragmatic dominant) of the belles-lettres style?
- Conveying accurate, objective information (informing about facts of reality, scientific or business)
- Allowing readers to learn about the world according to the laws of beauty, satisfying the aesthetic needs of both author and reader, and affecting them aesthetically through artistic imagery
- Regulating legal and business relations (prescription, prohibition, permission, recording expressions of will)
- Ensuring everyday, relaxed communication (establishing and maintaining contact in an informal setting)