Literature Reference: Joy and pleasure are the happiness of the heart. Source from 'The Book of Rites: Record of Music'.
悦: Joy and delight. Beneficial for physical and mental well-being, interpersonal relationships, and professional growth.
愉: Harmony and joy, a life of refined elegance and honor. With exceptional talents and a prosperous official career, though modest in wealth, one enjoys a lifetime of bliss and contentment.
Meaning: Joy and pleasure signify a heart filled with happiness and contentment.