Meaning: This means that the strong, deep taste of the chocolate is fully stimulating my sense of taste.
Choice of Words: Rich is an adjective that describes something having a strong, deep flavor. Flavor is the quality of something that affects the sense of taste. Fills is a verb that means to make something full. Senses are the abilities to see, hear, smell, taste, and touch. My is a possessive pronoun that shows something belongs to the speaker.