Cluster — 41 works.
Defining concepts
Transience (39), Lyric (23), Tempus Fugit (17), Flowers (14), Mutability (12), Mortality (12), Carpe Diem (12), Seasons (10), Decay (8), Romantic Love (7), Time (6), Nature (5), Grief and Loss (5), Self-Knowledge (5), Sun (5)