intense and intoxicating essences such as rose, jasmine, hyacinth and other rich florals

refers to the melody within the composition, the song of the perfume, the theme, or to a particular part of a perfume or aromatic used within the composition ('galbanum is a note in this perfume'), or it refers to how the composition is perceived, i.e. ‘floral notes’, ‘woody notes’, ‘green notes’