The core activity of the company 'L'Esprit de Famille' is the operation of a day care center for people with memory disorders, particularly Alzheimer's and other dementias. The company provides a structured and supportive environment where participants can engage in activities such as shared meals, discussions, and leisure activities to maintain their physical and mental abilities. The goal is to help participants preserve their independence and improve their quality of life, while their relatives receive relief and support.