The term 'prima ballerinas' refers to the most accomplished female ballet dancers, who are often referred to as 'etoiles' (7 letters). These dancers have achieved the highest level of technical and artistic excellence in their field, and are usually the stars of a ballet company. They are typically the lead dancers in a production, and are often featured in solo performances. Prima ballerinas are highly respected and admired for their skill and dedication to the art of ballet.