The core activity of Audacieuse-Galerie encompasses several areas:
1. **Photography Studio**: The company offers various services for professionals and private individuals in the field of photography.
2. **Fine Art Photography Gallery**: The gallery showcases art pieces that are strictly selected and inspired by the aesthetics and innovative visions from around the world.
3. **Photography and Video Courses**: The company provides training and courses in the field of photography and video production.
4. **Custom Fashion and Tailoring**: Audacieuse-Galerie also offers fashion collections and custom tailoring services.
5. **E-Commerce**: The company sells its products and services through an e-commerce website.
Overall, the core activity of the company can be described as a combination of creative services in the fields of photography, art, and fashion.