Atelier Des Ors Noir By Night (U) Edp 100Ml Top Notes: These are the initial scents that you will smell when you first apply the fragrance. They are usually lighter and evaporate more quickly. Mention any specific top notes if available.Heart Notes: The heart notes are the scents that become more noticeable after the top notes have dried down. They form the core of the fragrance.Base Notes: These are the deep, long-lasting scents that become prominent as the fragrance dries down and settles on your skin. They contribute to the overall character of the perfume.