Meaning: This sentence describes how the rich flavor of chocolate cake can bring joy to someone's heart.
Choice of Words: "Rich" means having a lot of money, possessions, or resources. "Flavor" is the distinctive taste of a food or drink. "Brings" is the present tense of the verb "bring", which means to carry or transport something. "Joy" is a feeling of great happiness or delight. "Heart" is the organ that pumps blood throughout the body.